11517892 has 12 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 5752136.

The previous prime is 11517887. The next prime is 11517893. The reversal of 11517892 is 29871511.

It is a happy number.

It is a super-2 number, since 2×11517892² = 265323672247328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11517893) 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, 5313 + ... + 7159.

It is an arithmetic number, because the mean of its divisors is an integer number (1681680).

Almost surely, 2^11517892 is an apocalyptic number.

It is an amenable number.

11517892 is a deficient number, since it is larger than the sum of its proper divisors (8662268).

11517892 is a wasteful number, since it uses less digits than its factorization.

11517892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3410 (or 3408 counting only the distinct ones).

The product of its digits is 5040, while the sum is 34.

The square root of 11517892 is about 3393.8019977600. The cubic root of 11517892 is about 225.8348703692.

The spelling of 11517892 in words is "eleven million, five hundred seventeen thousand, eight hundred ninety-two".