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12637028 = 2223137359
BaseRepresentation
bin110000001101…
…001101100100
3212210000202002
4300031031210
511213341103
61130504432
7212261435
oct60151544
925700662
1012637028
117151428
124295118
132805c41
14196d48c
151199488
hexc0d364

12637028 has 12 divisors (see below), whose sum is σ = 23076480. Its totient is φ = 6043752.

The previous prime is 12637013. The next prime is 12637043. The reversal of 12637028 is 82073621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12637013) and next prime (12637043).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68588 + ... + 68771.

It is an arithmetic number, because the mean of its divisors is an integer number (1923040).

Almost surely, 212637028 is an apocalyptic number.

It is an amenable number.

12637028 is a deficient number, since it is larger than the sum of its proper divisors (10439452).

12637028 is a wasteful number, since it uses less digits than its factorization.

12637028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137386 (or 137384 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12637028 is about 3554.8597721992. The cubic root of 12637028 is about 232.9243984677.

The spelling of 12637028 in words is "twelve million, six hundred thirty-seven thousand, twenty-eight".

Divisors: 1 2 4 23 46 92 137359 274718 549436 3159257 6318514 12637028