12625279 has 4 divisors (see below), whose sum is σ = 12813784. Its totient is φ = 12436776.

The previous prime is 12625259. The next prime is 12625297. The reversal of 12625279 is 97252621.

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 12625279 - 2⁵ = 12625247 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 (12625219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 94152 + ... + 94285.

It is an arithmetic number, because the mean of its divisors is an integer number (3203446).

Almost surely, 2^12625279 is an apocalyptic number.

12625279 is a deficient number, since it is larger than the sum of its proper divisors (188505).

12625279 is an equidigital number, since it uses as much as digits as its factorization.

12625279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188504.

The product of its digits is 15120, while the sum is 34.

The square root of 12625279 is about 3553.2068614141. The cubic root of 12625279 is about 232.8521906325.

The spelling of 12625279 in words is "twelve million, six hundred twenty-five thousand, two hundred seventy-nine".