13258257 has 16 divisors (see below), whose sum is σ = 18735360. Its totient is φ = 8316432.

The previous prime is 13258243. The next prime is 13258261. The reversal of 13258257 is 75285231.

It is not a de Polignac number, because 13258257 - 2²² = 9063953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13258757) 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, 8578 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (1170960).

Almost surely, 2^13258257 is an apocalyptic number.

It is an amenable number.

13258257 is a deficient number, since it is larger than the sum of its proper divisors (5477103).

13258257 is a wasteful number, since it uses less digits than its factorization.

13258257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612.

The product of its digits is 16800, while the sum is 33.

The square root of 13258257 is about 3641.1889541742. The cubic root of 13258257 is about 236.6803181528.

The spelling of 13258257 in words is "thirteen million, two hundred fifty-eight thousand, two hundred fifty-seven".