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12634961 = 171395347
BaseRepresentation
bin110000001100…
…101101010001
3212202220220112
4300030231101
511213304321
61130451105
7212252423
oct60145521
925686815
1012634961
11714a919
124293a95
132805011
14196c813
151198a5b
hexc0cb51

12634961 has 8 divisors (see below), whose sum is σ = 13476960. Its totient is φ = 11803968.

The previous prime is 12634933. The next prime is 12634967. The reversal of 12634961 is 16943621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12634961 - 214 = 12618577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12634967) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 5036.

It is an arithmetic number, because the mean of its divisors is an integer number (1684620).

Almost surely, 212634961 is an apocalyptic number.

It is an amenable number.

12634961 is a deficient number, since it is larger than the sum of its proper divisors (841999).

12634961 is a wasteful number, since it uses less digits than its factorization.

12634961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its digits is 7776, while the sum is 32.

The square root of 12634961 is about 3554.5690315424. The cubic root of 12634961 is about 232.9116981982.

The spelling of 12634961 in words is "twelve million, six hundred thirty-four thousand, nine hundred sixty-one".

Divisors: 1 17 139 2363 5347 90899 743233 12634961