13694131 has 16 divisors (see below), whose sum is σ = 15759360. Its totient is φ = 11777920.

The previous prime is 13694113. The next prime is 13694179. The reversal of 13694131 is 13149631.

It is not a de Polignac number, because 13694131 - 2⁵ = 13694099 is a prime.

It is a super-2 number, since 2×13694131² = 375058447690322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13694131.

It is not an unprimeable number, because it can be changed into a prime (13694101) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 28350 + ... + 28828.

It is an arithmetic number, because the mean of its divisors is an integer number (984960).

Almost surely, 2^13694131 is an apocalyptic number.

13694131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13694131 is a deficient number, since it is larger than the sum of its proper divisors (2065229).

13694131 is a wasteful number, since it uses less digits than its factorization.

13694131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626.

The product of its digits is 1944, while the sum is 28.

The square root of 13694131 is about 3700.5582011367. The cubic root of 13694131 is about 239.2460774368.

The spelling of 13694131 in words is "thirteen million, six hundred ninety-four thousand, one hundred thirty-one".