13187900 has 72 divisors (see below), whose sum is σ = 32914560. Its totient is φ = 4536000.

The previous prime is 13187897. The next prime is 13187917. The reversal of 13187900 is 978131.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 7.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 20585 + ... + 21215.

Almost surely, 2^13187900 is an apocalyptic number.

13187900 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 13187900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16457280).

13187900 is an abundant number, since it is smaller than the sum of its proper divisors (19726660).

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

13187900 is a wasteful number, since it uses less digits than its factorization.

13187900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 668 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13187900 is about 3631.5148354371. The cubic root of 13187900 is about 236.2609151102.

The spelling of 13187900 in words is "thirteen million, one hundred eighty-seven thousand, nine hundred".