11957964 has 24 divisors (see below), whose sum is σ = 27961920. Its totient is φ = 3977424.

The previous prime is 11957963. The next prime is 11957969. The reversal of 11957964 is 46975911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11957963) 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, 7467 + ... + 8925.

It is an arithmetic number, because the mean of its divisors is an integer number (1165080).

Almost surely, 2^11957964 is an apocalyptic number.

It is an amenable number.

11957964 is an abundant number, since it is smaller than the sum of its proper divisors (16003956).

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

11957964 is a wasteful number, since it uses less digits than its factorization.

11957964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2147 counting only the distinct ones).

The product of its digits is 68040, while the sum is 42.

The square root of 11957964 is about 3458.0289183291. The cubic root of 11957964 is about 228.6752068179.

It can be divided in two parts, 11957 and 964, that added together give a palindrome (12921).

The spelling of 11957964 in words is "eleven million, nine hundred fifty-seven thousand, nine hundred sixty-four".