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13000974 = 237244221
BaseRepresentation
bin110001100110…
…000100001110
3220110111222120
4301212010032
511312012344
61142353410
7215335500
oct61460416
926414876
1013000974
11737a908
12442b866
1329027ac
141a25d70
15121c219
hexc6610e

13000974 has 24 divisors (see below), whose sum is σ = 30247848. Its totient is φ = 3714480.

The previous prime is 13000973. The next prime is 13000979. The reversal of 13000974 is 47900031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13000973) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21817 + ... + 22404.

It is an arithmetic number, because the mean of its divisors is an integer number (1260327).

Almost surely, 213000974 is an apocalyptic number.

13000974 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13000974 is an abundant number, since it is smaller than the sum of its proper divisors (17246874).

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

13000974 is a wasteful number, since it uses less digits than its factorization.

13000974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44240 (or 44233 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 13000974 is about 3605.6863424319. The cubic root of 13000974 is about 235.1393409331.

The spelling of 13000974 in words is "thirteen million, nine hundred seventy-four", and thus it is an aban number.

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 44221 88442 132663 265326 309547 619094 928641 1857282 2166829 4333658 6500487 13000974