11697864 has 32 divisors (see below), whose sum is σ = 29329440. Its totient is φ = 3888000.

The previous prime is 11697859. The next prime is 11697919. The reversal of 11697864 is 46879611.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14019 + ... + 14829.

It is an arithmetic number, because the mean of its divisors is an integer number (916545).

Almost surely, 2^11697864 is an apocalyptic number.

It is an amenable number.

11697864 is an abundant number, since it is smaller than the sum of its proper divisors (17631576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11697864 is a wasteful number, since it uses less digits than its factorization.

11697864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1417 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 11697864 is about 3420.2140283906. The cubic root of 11697864 is about 227.0050520588.

It can be divided in two parts, 11697 and 864, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 11697864 in words is "eleven million, six hundred ninety-seven thousand, eight hundred sixty-four".