11561696 has 24 divisors (see below), whose sum is σ = 23139144. Its totient is φ = 5685120.

The previous prime is 11561689. The next prime is 11561707. The reversal of 11561696 is 69616511.

It is a super-3 number, since 3×11561696³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1010 + ... + 4913.

It is an arithmetic number, because the mean of its divisors is an integer number (964131).

Almost surely, 2^11561696 is an apocalyptic number.

11561696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11561696 is an abundant number, since it is smaller than the sum of its proper divisors (11577448).

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

11561696 is an equidigital number, since it uses as much as digits as its factorization.

11561696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5994 (or 5986 counting only the distinct ones).

The product of its digits is 9720, while the sum is 35.

The square root of 11561696 is about 3400.2494026174. The cubic root of 11561696 is about 226.1208010563.

The spelling of 11561696 in words is "eleven million, five hundred sixty-one thousand, six hundred ninety-six".