13039560 has 96 divisors (see below), whose sum is σ = 43875000. Its totient is φ = 3354624.

The previous prime is 13039553. The next prime is 13039571. The reversal of 13039560 is 6593031.

It can be written as a sum of positive squares in 4 ways, for example, as 10074276 + 2965284 = 3174^2 + 1722^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9816 + ... + 11064.

Almost surely, 2^13039560 is an apocalyptic number.

13039560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13039560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21937500).

13039560 is an abundant number, since it is smaller than the sum of its proper divisors (30835440).

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

13039560 is a wasteful number, since it uses less digits than its factorization.

13039560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1295 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 27.

The square root of 13039560 is about 3611.0330931743. The cubic root of 13039560 is about 235.3717369900.

The spelling of 13039560 in words is "thirteen million, thirty-nine thousand, five hundred sixty".