12480279 has 8 divisors (see below), whose sum is σ = 19017600. Its totient is φ = 7131576.

The previous prime is 12480269. The next prime is 12480313. The reversal of 12480279 is 97208421.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12480279 - 2²³ = 4091671 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297129 + ... + 297170.

It is an arithmetic number, because the mean of its divisors is an integer number (2377200).

Almost surely, 2^12480279 is an apocalyptic number.

12480279 is a deficient number, since it is larger than the sum of its proper divisors (6537321).

12480279 is an equidigital number, since it uses as much as digits as its factorization.

12480279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 594309.

The product of its (nonzero) digits is 8064, while the sum is 33.

The square root of 12480279 is about 3532.7438344720. The cubic root of 12480279 is about 231.9573284084.

The spelling of 12480279 in words is "twelve million, four hundred eighty thousand, two hundred seventy-nine".