11952657 has 8 divisors (see below), whose sum is σ = 17707680. Its totient is φ = 7968420.

The previous prime is 11952623. The next prime is 11952671. The reversal of 11952657 is 75625911.

11952657 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11952657 - 2⁶ = 11952593 is a prime.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (11952257) 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, 221319 + ... + 221372.

It is an arithmetic number, because the mean of its divisors is an integer number (2213460).

Almost surely, 2^11952657 is an apocalyptic number.

It is an amenable number.

11952657 is a deficient number, since it is larger than the sum of its proper divisors (5755023).

11952657 is an equidigital number, since it uses as much as digits as its factorization.

11952657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442700 (or 442694 counting only the distinct ones).

The product of its digits is 18900, while the sum is 36.

The square root of 11952657 is about 3457.2614885195. The cubic root of 11952657 is about 228.6413727723.

The spelling of 11952657 in words is "eleven million, nine hundred fifty-two thousand, six hundred fifty-seven".