13008690 has 24 divisors (see below), whose sum is σ = 33822828. Its totient is φ = 3468960.

The previous prime is 13008679. The next prime is 13008701. The reversal of 13008690 is 9680031.

It is an interprime number because it is at equal distance from previous prime (13008679) and next prime (13008701).

It can be written as a sum of positive squares in 2 ways, for example, as 12257001 + 751689 = 3501^2 + 867^2 .

It is a super-2 number, since 2×13008690² = 338452031032200, 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, 72181 + ... + 72360.

Almost surely, 2^13008690 is an apocalyptic number.

13008690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13008690 is an abundant number, since it is smaller than the sum of its proper divisors (20814138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13008690 is a wasteful number, since it uses less digits than its factorization.

13008690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144554 (or 144551 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 13008690 is about 3606.7561603191. The cubic root of 13008690 is about 235.1858496624.

The spelling of 13008690 in words is "thirteen million, eight thousand, six hundred ninety".