13137806 has 16 divisors (see below), whose sum is σ = 21569328. Its totient is φ = 5952000.

The previous prime is 13137791. The next prime is 13137823. The reversal of 13137806 is 60873131.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 7406 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (1348083).

Almost surely, 2^13137806 is an apocalyptic number.

13137806 is a deficient number, since it is larger than the sum of its proper divisors (8431522).

13137806 is a wasteful number, since it uses less digits than its factorization.

13137806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1987.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 13137806 is about 3624.6111515582. The cubic root of 13137806 is about 235.9613912710.

It can be divided in two parts, 1313 and 7806, that added together give a palindrome (9119).

The spelling of 13137806 in words is "thirteen million, one hundred thirty-seven thousand, eight hundred six".