13032631 has 4 divisors (see below), whose sum is σ = 13041000. Its totient is φ = 13024264.

The previous prime is 13032623. The next prime is 13032653. The reversal of 13032631 is 13623031.

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 13032631 - 2³ = 13032623 is a prime.

It is a super-2 number, since 2×13032631² = 339698941564322, 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 = 13032599 and 13032608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13032601) 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, 1081 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (3260250).

Almost surely, 2^13032631 is an apocalyptic number.

13032631 is a deficient number, since it is larger than the sum of its proper divisors (8369).

13032631 is an equidigital number, since it uses as much as digits as its factorization.

13032631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8368.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 13032631 is about 3610.0735449572. The cubic root of 13032631 is about 235.3300387597.

Adding to 13032631 its reverse (13623031), we get a palindrome (26655662).

It can be divided in two parts, 130 and 32631, that added together give a square (32761 = 181²).

The spelling of 13032631 in words is "thirteen million, thirty-two thousand, six hundred thirty-one".