13257556260 has 96 divisors (see below), whose sum is σ = 40023984000. Its totient is φ = 3259533312.

The previous prime is 13257556211. The next prime is 13257556283. The reversal of 13257556260 is 6265575231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 679116 + ... + 698364.

It is an arithmetic number, because the mean of its divisors is an integer number (416916500).

Almost surely, 2^13257556260 is an apocalyptic number.

13257556260 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 13257556260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20011992000).

13257556260 is an abundant number, since it is smaller than the sum of its proper divisors (26766427740).

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

13257556260 is a wasteful number, since it uses less digits than its factorization.

13257556260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20157 (or 20155 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 13257556260 in words is "thirteen billion, two hundred fifty-seven million, five hundred fifty-six thousand, two hundred sixty".