13385722 has 24 divisors (see below), whose sum is σ = 23550804. Its totient is φ = 5689152.

The previous prime is 13385699. The next prime is 13385731. The reversal of 13385722 is 22758331.

It can be written as a sum of positive squares in 2 ways, for example, as 12595401 + 790321 = 3549^2 + 889^2 .

It is a super-2 number, since 2×13385722² = 358355106922568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12928 + ... + 13924.

Almost surely, 2^13385722 is an apocalyptic number.

13385722 is a deficient number, since it is larger than the sum of its proper divisors (10165082).

13385722 is a wasteful number, since it uses less digits than its factorization.

13385722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150 (or 1143 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 13385722 is about 3658.6502975824. The cubic root of 13385722 is about 237.4363825914.

The spelling of 13385722 in words is "thirteen million, three hundred eighty-five thousand, seven hundred twenty-two".