12051279 has 6 divisors (see below), whose sum is σ = 17407416. Its totient is φ = 8034180.

The previous prime is 12051239. The next prime is 12051293. The reversal of 12051279 is 97215021.

It is not a de Polignac number, because 12051279 - 2⁸ = 12051023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12051209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 669507 + ... + 669524.

It is an arithmetic number, because the mean of its divisors is an integer number (2901236).

Almost surely, 2^12051279 is an apocalyptic number.

12051279 is a deficient number, since it is larger than the sum of its proper divisors (5356137).

12051279 is a wasteful number, since it uses less digits than its factorization.

12051279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339037 (or 1339034 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 12051279 is about 3471.4952110006. The cubic root of 12051279 is about 229.2684951029.

The spelling of 12051279 in words is "twelve million, fifty-one thousand, two hundred seventy-nine".