13097131 has 2 divisors, whose sum is σ = 13097132. Its totient is φ = 13097130.

The previous prime is 13097111. The next prime is 13097141. The reversal of 13097131 is 13179031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13097131 - 2¹³ = 13088939 is a prime.

It is a super-2 number, since 2×13097131² = 343069680862322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13097096 and 13097105.

It is not a weakly prime, because it can be changed into another prime (13097111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6548565 + 6548566.

It is an arithmetic number, because the mean of its divisors is an integer number (6548566).

Almost surely, 2^13097131 is an apocalyptic number.

13097131 is a deficient number, since it is larger than the sum of its proper divisors (1).

13097131 is an equidigital number, since it uses as much as digits as its factorization.

13097131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 25.

The square root of 13097131 is about 3618.9958552062. The cubic root of 13097131 is about 235.7176252621.

The spelling of 13097131 in words is "thirteen million, ninety-seven thousand, one hundred thirty-one".