11656797 has 4 divisors (see below), whose sum is σ = 15542400. Its totient is φ = 7771196.

The previous prime is 11656789. The next prime is 11656817. The reversal of 11656797 is 79765611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11656797 - 2³ = 11656789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11656297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1942797 + ... + 1942802.

It is an arithmetic number, because the mean of its divisors is an integer number (3885600).

Almost surely, 2^11656797 is an apocalyptic number.

It is an amenable number.

11656797 is a deficient number, since it is larger than the sum of its proper divisors (3885603).

11656797 is an equidigital number, since it uses as much as digits as its factorization.

11656797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3885602.

The product of its digits is 79380, while the sum is 42.

The square root of 11656797 is about 3414.2051783688. The cubic root of 11656797 is about 226.7390961824.

The spelling of 11656797 in words is "eleven million, six hundred fifty-six thousand, seven hundred ninety-seven".