11479631 has 4 divisors (see below), whose sum is σ = 11759664. Its totient is φ = 11199600.

The previous prime is 11479627. The next prime is 11479649. The reversal of 11479631 is 13697411.

11479631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11479631 - 2² = 11479627 is a prime.

It is a super-2 number, since 2×11479631² = 263563855792322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11479681) 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, 139955 + ... + 140036.

It is an arithmetic number, because the mean of its divisors is an integer number (2939916).

Almost surely, 2^11479631 is an apocalyptic number.

11479631 is a deficient number, since it is larger than the sum of its proper divisors (280033).

11479631 is an equidigital number, since it uses as much as digits as its factorization.

11479631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280032.

The product of its digits is 4536, while the sum is 32.

The square root of 11479631 is about 3388.1604153286. The cubic root of 11479631 is about 225.5845278757.

The spelling of 11479631 in words is "eleven million, four hundred seventy-nine thousand, six hundred thirty-one".