11657964 has 24 divisors (see below), whose sum is σ = 28385280. Its totient is φ = 3716944.

The previous prime is 11657959. The next prime is 11657969. The reversal of 11657964 is 46975611.

It is an interprime number because it is at equal distance from previous prime (11657959) and next prime (11657969).

It is not an unprimeable number, because it can be changed into a prime (11657969) by changing a digit.

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, 20844 + ... + 21395.

It is an arithmetic number, because the mean of its divisors is an integer number (1182720).

Almost surely, 2^11657964 is an apocalyptic number.

It is an amenable number.

11657964 is an abundant number, since it is smaller than the sum of its proper divisors (16727316).

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

11657964 is a wasteful number, since it uses less digits than its factorization.

11657964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42269 (or 42267 counting only the distinct ones).

The product of its digits is 45360, while the sum is 39.

The square root of 11657964 is about 3414.3760777044. The cubic root of 11657964 is about 226.7466624602.

It can be divided in two parts, 11657 and 964, that added together give a palindrome (12621).

The spelling of 11657964 in words is "eleven million, six hundred fifty-seven thousand, nine hundred sixty-four".