13695131 has 2 divisors, whose sum is σ = 13695132. Its totient is φ = 13695130.

The previous prime is 13695127. The next prime is 13695151. The reversal of 13695131 is 13159631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13695131 - 2² = 13695127 is a prime.

It is a super-2 number, since 2×13695131² = 375113226214322, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13695094 and 13695103.

It is not a weakly prime, because it can be changed into another prime (13695151) 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 as a sum of consecutive naturals, namely, 6847565 + 6847566.

It is an arithmetic number, because the mean of its divisors is an integer number (6847566).

Almost surely, 2^13695131 is an apocalyptic number.

13695131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13695131 is an equidigital number, since it uses as much as digits as its factorization.

13695131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2430, while the sum is 29.

The square root of 13695131 is about 3700.6933134211. The cubic root of 13695131 is about 239.2519008623.

The spelling of 13695131 in words is "thirteen million, six hundred ninety-five thousand, one hundred thirty-one".