12461279 has 4 divisors (see below), whose sum is σ = 12584760. Its totient is φ = 12337800.

The previous prime is 12461269. The next prime is 12461311. The reversal of 12461279 is 97216421.

It is a happy number.

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 12461279 - 2⁸ = 12461023 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 (12461209) 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, 61589 + ... + 61790.

It is an arithmetic number, because the mean of its divisors is an integer number (3146190).

Almost surely, 2^12461279 is an apocalyptic number.

12461279 is a deficient number, since it is larger than the sum of its proper divisors (123481).

12461279 is a wasteful number, since it uses less digits than its factorization.

12461279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123480.

The product of its digits is 6048, while the sum is 32.

The square root of 12461279 is about 3530.0536823114. The cubic root of 12461279 is about 231.8395578671.

The spelling of 12461279 in words is "twelve million, four hundred sixty-one thousand, two hundred seventy-nine".