12936657 has 8 divisors (see below), whose sum is σ = 17285184. Its totient is φ = 8606288.

The previous prime is 12936653. The next prime is 12936659. The reversal of 12936657 is 75663921.

12936657 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12936657 - 2² = 12936653 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12936653) 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, 2778 + ... + 5795.

It is an arithmetic number, because the mean of its divisors is an integer number (2160648).

Almost surely, 2^12936657 is an apocalyptic number.

It is an amenable number.

12936657 is a deficient number, since it is larger than the sum of its proper divisors (4348527).

12936657 is an equidigital number, since it uses as much as digits as its factorization.

12936657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9079.

The product of its digits is 68040, while the sum is 39.

The square root of 12936657 is about 3596.7564554748. The cubic root of 12936657 is about 234.7509478584.

The spelling of 12936657 in words is "twelve million, nine hundred thirty-six thousand, six hundred fifty-seven".