12492407 has 4 divisors (see below), whose sum is σ = 12515160. Its totient is φ = 12469656.

The previous prime is 12492397. The next prime is 12492409. The reversal of 12492407 is 70429421.

12492407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12492407 - 2⁴ = 12492391 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12492407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12492409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10532 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (3128790).

Almost surely, 2^12492407 is an apocalyptic number.

12492407 is a deficient number, since it is larger than the sum of its proper divisors (22753).

12492407 is an equidigital number, since it uses as much as digits as its factorization.

12492407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22752.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12492407 is about 3534.4599304561. The cubic root of 12492407 is about 232.0324407172.

The spelling of 12492407 in words is "twelve million, four hundred ninety-two thousand, four hundred seven".