12484279 has 4 divisors (see below), whose sum is σ = 12634776. Its totient is φ = 12333784.

The previous prime is 12484271. The next prime is 12484337. The reversal of 12484279 is 97248421.

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 12484279 - 2³ = 12484271 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 (12484271) 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, 75124 + ... + 75289.

It is an arithmetic number, because the mean of its divisors is an integer number (3158694).

Almost surely, 2^12484279 is an apocalyptic number.

12484279 is a deficient number, since it is larger than the sum of its proper divisors (150497).

12484279 is an equidigital number, since it uses as much as digits as its factorization.

12484279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150496.

The product of its digits is 32256, while the sum is 37.

The square root of 12484279 is about 3533.3099213061. The cubic root of 12484279 is about 231.9821069732.

The spelling of 12484279 in words is "twelve million, four hundred eighty-four thousand, two hundred seventy-nine".