13413257 has 16 divisors (see below), whose sum is σ = 15937152. Its totient is φ = 11128320.

The previous prime is 13413251. The next prime is 13413269. The reversal of 13413257 is 75231431.

13413257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13413257 - 2⁴ = 13413241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13413251) 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, 13388 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (996072).

Almost surely, 2^13413257 is an apocalyptic number.

It is an amenable number.

13413257 is a deficient number, since it is larger than the sum of its proper divisors (2523895).

13413257 is a wasteful number, since it uses less digits than its factorization.

13413257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its digits is 2520, while the sum is 26.

The square root of 13413257 is about 3662.4113641152. The cubic root of 13413257 is about 237.5990766685.

Adding to 13413257 its reverse (75231431), we get a palindrome (88644688).

The spelling of 13413257 in words is "thirteen million, four hundred thirteen thousand, two hundred fifty-seven".