12226479 has 4 divisors (see below), whose sum is σ = 16301976. Its totient is φ = 8150984.

The previous prime is 12226477. The next prime is 12226499. The reversal of 12226479 is 97462221.

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 12226479 - 2¹ = 12226477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12226471) 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, 2037744 + ... + 2037749.

It is an arithmetic number, because the mean of its divisors is an integer number (4075494).

Almost surely, 2^12226479 is an apocalyptic number.

12226479 is a deficient number, since it is larger than the sum of its proper divisors (4075497).

12226479 is an equidigital number, since it uses as much as digits as its factorization.

12226479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4075496.

The product of its digits is 12096, while the sum is 33.

The square root of 12226479 is about 3496.6382426554. The cubic root of 12226479 is about 230.3741798383.

The spelling of 12226479 in words is "twelve million, two hundred twenty-six thousand, four hundred seventy-nine".