13258491 has 16 divisors (see below), whose sum is σ = 18332160. Its totient is φ = 8517600.

The previous prime is 13258489. The next prime is 13258499. The reversal of 13258491 is 19485231.

It is not a de Polignac number, because 13258491 - 2¹ = 13258489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13258499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9541 + ... + 10841.

It is an arithmetic number, because the mean of its divisors is an integer number (1145760).

Almost surely, 2^13258491 is an apocalyptic number.

13258491 is a deficient number, since it is larger than the sum of its proper divisors (5073669).

13258491 is a wasteful number, since it uses less digits than its factorization.

13258491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426.

The product of its digits is 8640, while the sum is 33.

The square root of 13258491 is about 3641.2210863940. The cubic root of 13258491 is about 236.6817105648.

The spelling of 13258491 in words is "thirteen million, two hundred fifty-eight thousand, four hundred ninety-one".