11942631 has 12 divisors (see below), whose sum is σ = 17404608. Its totient is φ = 7890624.

The previous prime is 11942629. The next prime is 11942633. The reversal of 11942631 is 13624911.

11942631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11942629) and next prime (11942633).

It is not a de Polignac number, because 11942631 - 2¹ = 11942629 is a prime.

It is a super-2 number, since 2×11942631² = 285252870404322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 11942595 and 11942604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11942633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4855 + ... + 6888.

It is an arithmetic number, because the mean of its divisors is an integer number (1450384).

Almost surely, 2^11942631 is an apocalyptic number.

11942631 is a deficient number, since it is larger than the sum of its proper divisors (5461977).

11942631 is a wasteful number, since it uses less digits than its factorization.

11942631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11862 (or 11859 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 11942631 is about 3455.8111927592. The cubic root of 11942631 is about 228.5774260517.

The spelling of 11942631 in words is "eleven million, nine hundred forty-two thousand, six hundred thirty-one".