11914631 has 4 divisors (see below), whose sum is σ = 11922072. Its totient is φ = 11907192.

The previous prime is 11914627. The next prime is 11914657. The reversal of 11914631 is 13641911.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11914631 - 2² = 11914627 is a prime.

It is a super-2 number, since 2×11914631² = 283916863732322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11914631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11914031) 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, 221 + ... + 4886.

It is an arithmetic number, because the mean of its divisors is an integer number (2980518).

Almost surely, 2^11914631 is an apocalyptic number.

11914631 is a deficient number, since it is larger than the sum of its proper divisors (7441).

11914631 is an equidigital number, since it uses as much as digits as its factorization.

11914631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440.

The product of its digits is 648, while the sum is 26.

The square root of 11914631 is about 3451.7576682033. The cubic root of 11914631 is about 228.3986498040.

The spelling of 11914631 in words is "eleven million, nine hundred fourteen thousand, six hundred thirty-one".