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13712124 = 2231142677
BaseRepresentation
bin110100010011…
…101011111100
3221210122111110
4310103223330
512002241444
61205522020
7224360016
oct64235374
927718443
1013712124
117816138
124713310
132ac13aa
141b6d1b6
15130ccb9
hexd13afc

13712124 has 12 divisors (see below), whose sum is σ = 31994984. Its totient is φ = 4570704.

The previous prime is 13712123. The next prime is 13712143. The reversal of 13712124 is 42121731.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13712124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13712123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 571327 + ... + 571350.

Almost surely, 213712124 is an apocalyptic number.

It is an amenable number.

13712124 is an abundant number, since it is smaller than the sum of its proper divisors (18282860).

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

13712124 is a wasteful number, since it uses less digits than its factorization.

13712124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142684 (or 1142682 counting only the distinct ones).

The product of its digits is 336, while the sum is 21.

The square root of 13712124 is about 3702.9885228015. The cubic root of 13712124 is about 239.3508150230.

Adding to 13712124 its reverse (42121731), we get a palindrome (55833855).

The spelling of 13712124 in words is "thirteen million, seven hundred twelve thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 1142677 2285354 3428031 4570708 6856062 13712124