13268457 has 18 divisors (see below), whose sum is σ = 19860542. Its totient is φ = 8535744.

The previous prime is 13268443. The next prime is 13268491. The reversal of 13268457 is 75486231.

It can be written as a sum of positive squares in 3 ways, for example, as 156816 + 13111641 = 396^2 + 3621^2 .

It is not a de Polignac number, because 13268457 - 2⁶ = 13268393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13263457) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6693 + ... + 8445.

Almost surely, 2^13268457 is an apocalyptic number.

It is an amenable number.

13268457 is a deficient number, since it is larger than the sum of its proper divisors (6592085).

13268457 is a wasteful number, since it uses less digits than its factorization.

13268457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1785 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 13268457 is about 3642.5893262897. The cubic root of 13268457 is about 236.7409978338.

The spelling of 13268457 in words is "thirteen million, two hundred sixty-eight thousand, four hundred fifty-seven".