13561700 has 18 divisors (see below), whose sum is σ = 29429106. Its totient is φ = 5424640.

The previous prime is 13561679. The next prime is 13561711. The reversal of 13561700 is 716531.

It can be written as a sum of positive squares in 3 ways, for example, as 195364 + 13366336 = 442^2 + 3656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67709 + ... + 67908.

Almost surely, 2^13561700 is an apocalyptic number.

13561700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13561700 is an abundant number, since it is smaller than the sum of its proper divisors (15867406).

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

13561700 is a wasteful number, since it uses less digits than its factorization.

13561700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135631 (or 135624 counting only the distinct ones).

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 13561700 is about 3682.6213489850. The cubic root of 13561700 is about 238.4723570961.

The spelling of 13561700 in words is "thirteen million, five hundred sixty-one thousand, seven hundred".