11531896 has 16 divisors (see below), whose sum is σ = 21745800. Its totient is φ = 5733024.

The previous prime is 11531893. The next prime is 11531903. The reversal of 11531896 is 69813511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11531893) 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, 2595 + ... + 5458.

Almost surely, 2^11531896 is an apocalyptic number.

It is an amenable number.

11531896 is a deficient number, since it is larger than the sum of its proper divisors (10213904).

11531896 is a wasteful number, since it uses less digits than its factorization.

11531896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8238 (or 8234 counting only the distinct ones).

The product of its digits is 6480, while the sum is 34.

The square root of 11531896 is about 3395.8645438239. The cubic root of 11531896 is about 225.9263602196.

The spelling of 11531896 in words is "eleven million, five hundred thirty-one thousand, eight hundred ninety-six".