12492651 has 4 divisors (see below), whose sum is σ = 16656872. Its totient is φ = 8328432.

The previous prime is 12492631. The next prime is 12492679. The reversal of 12492651 is 15629421.

12492651 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 not a de Polignac number, because 12492651 - 2⁷ = 12492523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12492631) 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, 2082106 + ... + 2082111.

It is an arithmetic number, because the mean of its divisors is an integer number (4164218).

Almost surely, 2^12492651 is an apocalyptic number.

12492651 is a deficient number, since it is larger than the sum of its proper divisors (4164221).

12492651 is an equidigital number, since it uses as much as digits as its factorization.

12492651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164220.

The product of its digits is 4320, while the sum is 30.

The square root of 12492651 is about 3534.4944475837. The cubic root of 12492651 is about 232.0339513828.

The spelling of 12492651 in words is "twelve million, four hundred ninety-two thousand, six hundred fifty-one".