12279303 has 16 divisors (see below), whose sum is σ = 18262240. Its totient is φ = 8154432.

The previous prime is 12279299. The next prime is 12279313. The reversal of 12279303 is 30397221.

It is not a de Polignac number, because 12279303 - 2² = 12279299 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7725 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (1141390).

Almost surely, 2^12279303 is an apocalyptic number.

12279303 is a deficient number, since it is larger than the sum of its proper divisors (5982937).

12279303 is a wasteful number, since it uses less digits than its factorization.

12279303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 1769 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 12279303 is about 3504.1836424480. The cubic root of 12279303 is about 230.7054772349.

The spelling of 12279303 in words is "twelve million, two hundred seventy-nine thousand, three hundred three".