13790631 has 16 divisors (see below), whose sum is σ = 19121760. Its totient is φ = 8830080.

The previous prime is 13790611. The next prime is 13790663. The reversal of 13790631 is 13609731.

It is not a de Polignac number, because 13790631 - 2¹⁴ = 13774247 is a prime.

It is a super-2 number, since 2×13790631² = 380363006756322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13790611) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25221 + ... + 25761.

It is an arithmetic number, because the mean of its divisors is an integer number (1195110).

Almost surely, 2^13790631 is an apocalyptic number.

13790631 is a deficient number, since it is larger than the sum of its proper divisors (5331129).

13790631 is a wasteful number, since it uses less digits than its factorization.

13790631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866.

The product of its (nonzero) digits is 3402, while the sum is 30.

The square root of 13790631 is about 3713.5738850870. The cubic root of 13790631 is about 239.8067367751.

The spelling of 13790631 in words is "thirteen million, seven hundred ninety thousand, six hundred thirty-one".