12452279 has 16 divisors (see below), whose sum is σ = 15163200. Its totient is φ = 9982464.

The previous prime is 12452273. The next prime is 12452291. The reversal of 12452279 is 97225421.

It is a cyclic number.

It is not a de Polignac number, because 12452279 - 2⁴ = 12452263 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 (12452273) 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 15 ways as a sum of consecutive naturals, for example, 31817 + ... + 32205.

It is an arithmetic number, because the mean of its divisors is an integer number (947700).

Almost surely, 2^12452279 is an apocalyptic number.

12452279 is a deficient number, since it is larger than the sum of its proper divisors (2710921).

12452279 is a wasteful number, since it uses less digits than its factorization.

12452279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682.

The product of its digits is 10080, while the sum is 32.

The square root of 12452279 is about 3528.7786839075. The cubic root of 12452279 is about 231.7837300357.

The spelling of 12452279 in words is "twelve million, four hundred fifty-two thousand, two hundred seventy-nine".