12244279 has 4 divisors (see below), whose sum is σ = 12273120. Its totient is φ = 12215440.

The previous prime is 12244259. The next prime is 12244307. The reversal of 12244279 is 97244221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97244221 = 29 ⋅3353249.

It is a cyclic number.

It is not a de Polignac number, because 12244279 - 2¹⁷ = 12113207 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12244279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244249) 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, 13774 + ... + 14635.

It is an arithmetic number, because the mean of its divisors is an integer number (3068280).

Almost surely, 2^12244279 is an apocalyptic number.

12244279 is a deficient number, since it is larger than the sum of its proper divisors (28841).

12244279 is an equidigital number, since it uses as much as digits as its factorization.

12244279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28840.

The product of its digits is 8064, while the sum is 31.

The square root of 12244279 is about 3499.1826188411. The cubic root of 12244279 is about 230.4859228843.

The spelling of 12244279 in words is "twelve million, two hundred forty-four thousand, two hundred seventy-nine".