12915192 has 32 divisors (see below), whose sum is σ = 32590800. Its totient is φ = 4264704.

The previous prime is 12915187. The next prime is 12915197. The reversal of 12915192 is 29151921.

It is an interprime number because it is at equal distance from previous prime (12915187) and next prime (12915197).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12915197) 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 7 ways as a sum of consecutive naturals, for example, 148 + ... + 5084.

Almost surely, 2^12915192 is an apocalyptic number.

12915192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12915192 is an abundant number, since it is smaller than the sum of its proper divisors (19675608).

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

12915192 is a wasteful number, since it uses less digits than its factorization.

12915192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5055 (or 5051 counting only the distinct ones).

The product of its digits is 1620, while the sum is 30.

The square root of 12915192 is about 3593.7712781979. The cubic root of 12915192 is about 234.6210400417.

The spelling of 12915192 in words is "twelve million, nine hundred fifteen thousand, one hundred ninety-two".