13025880 has 128 divisors (see below), whose sum is σ = 49651200. Its totient is φ = 2975616.

The previous prime is 13025807. The next prime is 13025899. The reversal of 13025880 is 8852031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6699 + ... + 8421.

It is an arithmetic number, because the mean of its divisors is an integer number (387900).

Almost surely, 2^13025880 is an apocalyptic number.

13025880 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 13025880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24825600).

13025880 is an abundant number, since it is smaller than the sum of its proper divisors (36625320).

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

13025880 is a wasteful number, since it uses less digits than its factorization.

13025880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1750 (or 1740 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 13025880 is about 3609.1384013363. The cubic root of 13025880 is about 235.2893975034.

Subtracting from 13025880 its reverse (8852031), we obtain a square (4173849 = 2043²).

The spelling of 13025880 in words is "thirteen million, twenty-five thousand, eight hundred eighty".