13251560 has 48 divisors (see below), whose sum is σ = 34689060. Its totient is φ = 4542720.

The previous prime is 13251547. The next prime is 13251647. The reversal of 13251560 is 6515231.

13251560 = T₁₄₁ + T₁₄₂ + ... + T₄₃₄.

13251560 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 103684 = 3626^2 + 322^2 .

13251560 is strictly pandigital in base 8.

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, 1421 + ... + 5340.

Almost surely, 2^13251560 is an apocalyptic number.

13251560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13251560 is an abundant number, since it is smaller than the sum of its proper divisors (21437500).

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

13251560 is a wasteful number, since it uses less digits than its factorization.

13251560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6775 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 13251560 is about 3640.2692208132. The cubic root of 13251560 is about 236.6404608512.

Adding to 13251560 its reverse (6515231), we get a palindrome (19766791).

The spelling of 13251560 in words is "thirteen million, two hundred fifty-one thousand, five hundred sixty".