13151900 has 18 divisors (see below), whose sum is σ = 28539840. Its totient is φ = 5260720.

The previous prime is 13151861. The next prime is 13151911. The reversal of 13151900 is 915131.

13151900 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13151900² = 345944947220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65660 + ... + 65859.

Almost surely, 2^13151900 is an apocalyptic number.

13151900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13151900 is an abundant number, since it is smaller than the sum of its proper divisors (15387940).

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

13151900 is a wasteful number, since it uses less digits than its factorization.

13151900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131533 (or 131526 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 20.

The square root of 13151900 is about 3626.5548389622. The cubic root of 13151900 is about 236.0457394828.

The spelling of 13151900 in words is "thirteen million, one hundred fifty-one thousand, nine hundred".