13790131 has 4 divisors (see below), whose sum is σ = 13803264. Its totient is φ = 13777000.

The previous prime is 13790113. The next prime is 13790173. The reversal of 13790131 is 13109731.

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 13790131 - 2⁹ = 13789619 is a prime.

It is a super-2 number, since 2×13790131² = 380335425994322, 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 = 13790096 and 13790105.

It is not an unprimeable number, because it can be changed into a prime (13790531) 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, 4840 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (3450816).

Almost surely, 2^13790131 is an apocalyptic number.

13790131 is a deficient number, since it is larger than the sum of its proper divisors (13133).

13790131 is a wasteful number, since it uses less digits than its factorization.

13790131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13132.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 13790131 is about 3713.5065638827. The cubic root of 13790131 is about 239.8038385558.

Adding to 13790131 its reverse (13109731), we get a palindrome (26899862).

The spelling of 13790131 in words is "thirteen million, seven hundred ninety thousand, one hundred thirty-one".