11862631 has 16 divisors (see below), whose sum is σ = 13737600. Its totient is φ = 10130400.

The previous prime is 11862623. The next prime is 11862661. The reversal of 11862631 is 13626811.

11862631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11862631 - 2³ = 11862623 is a prime.

It is a super-2 number, since 2×11862631² = 281444028484322, 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 11862631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11862611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43965 + ... + 44233.

It is an arithmetic number, because the mean of its divisors is an integer number (858600).

Almost surely, 2^11862631 is an apocalyptic number.

11862631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11862631 is a deficient number, since it is larger than the sum of its proper divisors (1874969).

11862631 is a wasteful number, since it uses less digits than its factorization.

11862631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510.

The product of its digits is 1728, while the sum is 28.

The square root of 11862631 is about 3444.2170372960. The cubic root of 11862631 is about 228.0658922613.

The spelling of 11862631 in words is "eleven million, eight hundred sixty-two thousand, six hundred thirty-one".