13825980 has 72 divisors (see below), whose sum is σ = 47934432. Its totient is φ = 3159936.

The previous prime is 13825963. The next prime is 13825993. The reversal of 13825980 is 8952831.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 4227 + ... + 6746.

It is an arithmetic number, because the mean of its divisors is an integer number (665756).

Almost surely, 2^13825980 is an apocalyptic number.

13825980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13825980 is an abundant number, since it is smaller than the sum of its proper divisors (34108452).

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

13825980 is a wasteful number, since it uses less digits than its factorization.

13825980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10995 (or 10990 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 13825980 is about 3718.3302704305. The cubic root of 13825980 is about 240.0114577863.

The spelling of 13825980 in words is "thirteen million, eight hundred twenty-five thousand, nine hundred eighty".