13257022 has 32 divisors (see below), whose sum is σ = 21934080. Its totient is φ = 5987520.

The previous prime is 13257017. The next prime is 13257043. The reversal of 13257022 is 22075231.

13257022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13256984 and 13257002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104323 + ... + 104449.

It is an arithmetic number, because the mean of its divisors is an integer number (685440).

Almost surely, 2^13257022 is an apocalyptic number.

13257022 is a deficient number, since it is larger than the sum of its proper divisors (8677058).

13257022 is a wasteful number, since it uses less digits than its factorization.

13257022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 13257022 is about 3641.0193627609. The cubic root of 13257022 is about 236.6729690402.

The spelling of 13257022 in words is "thirteen million, two hundred fifty-seven thousand, twenty-two".