11620631 has 8 divisors (see below), whose sum is σ = 12745728. Its totient is φ = 10507000.

The previous prime is 11620613. The next prime is 11620633. The reversal of 11620631 is 13602611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11620631 - 2¹⁴ = 11604247 is a prime.

It is a super-2 number, since 2×11620631² = 270078129676322, 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 (11620633) 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 7 ways as a sum of consecutive naturals, for example, 665 + ... + 4866.

It is an arithmetic number, because the mean of its divisors is an integer number (1593216).

Almost surely, 2^11620631 is an apocalyptic number.

11620631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11620631 is a deficient number, since it is larger than the sum of its proper divisors (1125097).

11620631 is a wasteful number, since it uses less digits than its factorization.

11620631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5733.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 11620631 is about 3408.9046627913. The cubic root of 11620631 is about 226.5043621353.

The spelling of 11620631 in words is "eleven million, six hundred twenty thousand, six hundred thirty-one".