12492815 has 8 divisors (see below), whose sum is σ = 15106608. Its totient is φ = 9917440.

The previous prime is 12492811. The next prime is 12492839. The reversal of 12492815 is 51829421.

12492815 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12492815 - 2² = 12492811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12492811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8882 + ... + 10191.

It is an arithmetic number, because the mean of its divisors is an integer number (1888326).

Almost surely, 2^12492815 is an apocalyptic number.

12492815 is a deficient number, since it is larger than the sum of its proper divisors (2613793).

12492815 is a wasteful number, since it uses less digits than its factorization.

12492815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19209.

The product of its digits is 5760, while the sum is 32.

The square root of 12492815 is about 3534.5176474308. The cubic root of 12492815 is about 232.0349667371.

The spelling of 12492815 in words is "twelve million, four hundred ninety-two thousand, eight hundred fifteen".