13137894 has 48 divisors (see below), whose sum is σ = 35493120. Its totient is φ = 3412080.

The previous prime is 13137881. The next prime is 13137907. The reversal of 13137894 is 49873131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13137881) and next prime (13137907).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3354 + ... + 6125.

It is an arithmetic number, because the mean of its divisors is an integer number (739440).

Almost surely, 2^13137894 is an apocalyptic number.

13137894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13137894 is an abundant number, since it is smaller than the sum of its proper divisors (22355226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13137894 is a wasteful number, since it uses less digits than its factorization.

13137894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9505 (or 9502 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 13137894 is about 3624.6232907711. The cubic root of 13137894 is about 235.9619181108.

It can be divided in two parts, 131 and 37894, that added together give a square (38025 = 195²).

The spelling of 13137894 in words is "thirteen million, one hundred thirty-seven thousand, eight hundred ninety-four".