12498279 has 4 divisors (see below), whose sum is σ = 16664376. Its totient is φ = 8332184.

The previous prime is 12498263. The next prime is 12498289. The reversal of 12498279 is 97289421.

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 12498279 - 2⁴ = 12498263 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12498279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12498259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2083044 + ... + 2083049.

It is an arithmetic number, because the mean of its divisors is an integer number (4166094).

Almost surely, 2^12498279 is an apocalyptic number.

12498279 is a deficient number, since it is larger than the sum of its proper divisors (4166097).

12498279 is an equidigital number, since it uses as much as digits as its factorization.

12498279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4166096.

The product of its digits is 72576, while the sum is 42.

The square root of 12498279 is about 3535.2905114007. The cubic root of 12498279 is about 232.0687902926.

The spelling of 12498279 in words is "twelve million, four hundred ninety-eight thousand, two hundred seventy-nine".