13813560 has 48 divisors (see below), whose sum is σ = 44895240. Its totient is φ = 3683520.

The previous prime is 13813517. The next prime is 13813561. The reversal of 13813560 is 6531831.

13813560 = T₄ + T₅ + ... + T₄₃₅.

13813560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18826 + ... + 19545.

Almost surely, 2^13813560 is an apocalyptic number.

13813560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13813560 is an abundant number, since it is smaller than the sum of its proper divisors (31081680).

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

13813560 is a wasteful number, since it uses less digits than its factorization.

13813560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38388 (or 38381 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 13813560 is about 3716.6597907261. The cubic root of 13813560 is about 239.9395681179.

The spelling of 13813560 in words is "thirteen million, eight hundred thirteen thousand, five hundred sixty".