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13709124 = 223211132663
BaseRepresentation
bin110100010010…
…111101000100
3221210111101100
4310102331010
512002142444
61205500100
7224345202
oct64227504
927714340
1013709124
117813960
124711630
132abcc10
141b6c072
15130be69
hexd12f44

13709124 has 72 divisors (see below), whose sum is σ = 40727232. Its totient is φ = 3833280.

The previous prime is 13709117. The next prime is 13709149. The reversal of 13709124 is 42190731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3817 + ... + 6479.

It is an arithmetic number, because the mean of its divisors is an integer number (565656).

Almost surely, 213709124 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13709124, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20363616).

13709124 is an abundant number, since it is smaller than the sum of its proper divisors (27018108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13709124 is a wasteful number, since it uses less digits than its factorization.

13709124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2692 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 13709124 is about 3702.5834224228. The cubic root of 13709124 is about 239.3333583349. Note that the first 4 decimals are identical.

Adding to 13709124 its reverse (42190731), we get a palindrome (55899855).

The spelling of 13709124 in words is "thirteen million, seven hundred nine thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 11 12 13 18 22 26 33 36 39 44 52 66 78 99 117 132 143 156 198 234 286 396 429 468 572 858 1287 1716 2574 2663 5148 5326 7989 10652 15978 23967 29293 31956 34619 47934 58586 69238 87879 95868 103857 117172 138476 175758 207714 263637 311571 351516 380809 415428 527274 623142 761618 1054548 1142427 1246284 1523236 2284854 3427281 4569708 6854562 13709124