11580631 has 4 divisors (see below), whose sum is σ = 11849992. Its totient is φ = 11311272.

The previous prime is 11580623. The next prime is 11580683. The reversal of 11580631 is 13608511.

11580631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11580631 - 2³ = 11580623 is a prime.

It is a super-2 number, since 2×11580631² = 268222028716322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11580596 and 11580605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11580601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 134616 + ... + 134701.

It is an arithmetic number, because the mean of its divisors is an integer number (2962498).

Almost surely, 2^11580631 is an apocalyptic number.

11580631 is a deficient number, since it is larger than the sum of its proper divisors (269361).

11580631 is an equidigital number, since it uses as much as digits as its factorization.

11580631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269360.

The product of its (nonzero) digits is 720, while the sum is 25.

The square root of 11580631 is about 3403.0326181217. The cubic root of 11580631 is about 226.2441757503.

The spelling of 11580631 in words is "eleven million, five hundred eighty thousand, six hundred thirty-one".