11693631 has 4 divisors (see below), whose sum is σ = 15591512. Its totient is φ = 7795752.

The previous prime is 11693599. The next prime is 11693663. The reversal of 11693631 is 13639611.

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

It is an interprime number because it is at equal distance from previous prime (11693599) and next prime (11693663).

It is not a de Polignac number, because 11693631 - 2⁵ = 11693599 is a prime.

It is a super-2 number, since 2×11693631² = 273482011928322, 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 (11693681) 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, 1948936 + ... + 1948941.

It is an arithmetic number, because the mean of its divisors is an integer number (3897878).

Almost surely, 2^11693631 is an apocalyptic number.

11693631 is a deficient number, since it is larger than the sum of its proper divisors (3897881).

11693631 is an equidigital number, since it uses as much as digits as its factorization.

11693631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3897880.

The product of its digits is 2916, while the sum is 30.

The square root of 11693631 is about 3419.5951514763. The cubic root of 11693631 is about 226.9776673353.

The spelling of 11693631 in words is "eleven million, six hundred ninety-three thousand, six hundred thirty-one".