12915900 has 108 divisors (see below), whose sum is σ = 41164032. Its totient is φ = 3386880.

The previous prime is 12915899. The next prime is 12915901. The reversal of 12915900 is 951921.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12915899) and next prime (12915901).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12915901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 101637 + ... + 101763.

Almost surely, 2^12915900 is an apocalyptic number.

12915900 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 12915900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20582016).

12915900 is an abundant number, since it is smaller than the sum of its proper divisors (28248132).

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

12915900 is a wasteful number, since it uses less digits than its factorization.

12915900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 27.

The square root of 12915900 is about 3593.8697806125. The cubic root of 12915900 is about 234.6253272063.

The spelling of 12915900 in words is "twelve million, nine hundred fifteen thousand, nine hundred".