12656995 has 8 divisors (see below), whose sum is σ = 16356816. Its totient is φ = 9346656.

The previous prime is 12656939. The next prime is 12657011. The reversal of 12656995 is 59965621.

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 12656995 - 2⁷ = 12656867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97297 + ... + 97426.

It is an arithmetic number, because the mean of its divisors is an integer number (2044602).

Almost surely, 2^12656995 is an apocalyptic number.

12656995 is a deficient number, since it is larger than the sum of its proper divisors (3699821).

12656995 is a wasteful number, since it uses less digits than its factorization.

12656995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194741.

The product of its digits is 145800, while the sum is 43.

The square root of 12656995 is about 3557.6670726756. The cubic root of 12656995 is about 233.0470104755.

It can be divided in two parts, 126 and 56995, that added together give a square (57121 = 239²).

The spelling of 12656995 in words is "twelve million, six hundred fifty-six thousand, nine hundred ninety-five".