11909796 has 24 divisors (see below), whose sum is σ = 28437024. Its totient is φ = 3877440.

The previous prime is 11909783. The next prime is 11909801. The reversal of 11909796 is 69790911.

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, 11025 + ... + 12056.

It is an arithmetic number, because the mean of its divisors is an integer number (1184876).

Almost surely, 2^11909796 is an apocalyptic number.

It is an amenable number.

11909796 is an abundant number, since it is smaller than the sum of its proper divisors (16527228).

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

11909796 is a wasteful number, since it uses less digits than its factorization.

11909796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131 (or 23129 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 42.

The square root of 11909796 is about 3451.0572293139. The cubic root of 11909796 is about 228.3677506268.

The spelling of 11909796 in words is "eleven million, nine hundred nine thousand, seven hundred ninety-six".