13137263 has 2 divisors, whose sum is σ = 13137264. Its totient is φ = 13137262.

The previous prime is 13137253. The next prime is 13137281. The reversal of 13137263 is 36273131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13137263 - 2⁴ = 13137247 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13137233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6568631 + 6568632.

It is an arithmetic number, because the mean of its divisors is an integer number (6568632).

Almost surely, 2^13137263 is an apocalyptic number.

13137263 is a deficient number, since it is larger than the sum of its proper divisors (1).

13137263 is an equidigital number, since it uses as much as digits as its factorization.

13137263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268, while the sum is 26.

The square root of 13137263 is about 3624.5362461976. The cubic root of 13137263 is about 235.9581403781.

The spelling of 13137263 in words is "thirteen million, one hundred thirty-seven thousand, two hundred sixty-three".