3137813 has 6 divisors (see below), whose sum is σ = 3650166. Its totient is φ = 2689512.

The previous prime is 3137803. The next prime is 3137837. The reversal of 3137813 is 3187313.

3137813 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1787569 + 1350244 = 1337^2 + 1162^2 .

It is not a de Polignac number, because 3137813 - 2⁶ = 3137749 is a prime.

It is a Duffinian number.

3137813 is strictly pandigital in base 8.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3137803) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31970 + ... + 32067.

It is an arithmetic number, because the mean of its divisors is an integer number (608361).

Almost surely, 2^3137813 is an apocalyptic number.

It is an amenable number.

3137813 is a deficient number, since it is larger than the sum of its proper divisors (512353).

3137813 is an equidigital number, since it uses as much as digits as its factorization.

3137813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64051 (or 64044 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 3137813 is about 1771.3873094273. The cubic root of 3137813 is about 146.4004301151.

The spelling of 3137813 in words is "three million, one hundred thirty-seven thousand, eight hundred thirteen".