12504279 has 8 divisors (see below), whose sum is σ = 16748032. Its totient is φ = 8298360.

The previous prime is 12504269. The next prime is 12504281. The reversal of 12504279 is 97240521.

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

It is not a de Polignac number, because 12504279 - 2⁴ = 12504263 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 (12504259) 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, 8677 + ... + 10014.

It is an arithmetic number, because the mean of its divisors is an integer number (2093504).

Almost surely, 2^12504279 is an apocalyptic number.

12504279 is a deficient number, since it is larger than the sum of its proper divisors (4243753).

12504279 is a wasteful number, since it uses less digits than its factorization.

12504279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18917.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 12504279 is about 3536.1389961369. The cubic root of 12504279 is about 232.1059204710.

The spelling of 12504279 in words is "twelve million, five hundred four thousand, two hundred seventy-nine".