12279338 has 32 divisors (see below), whose sum is σ = 20585664. Its totient is φ = 5467392.

The previous prime is 12279313. The next prime is 12279341. The reversal of 12279338 is 83397221.

It is a junction number, because it is equal to n+sod(n) for n = 12279298 and 12279307.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53981 + ... + 54207.

It is an arithmetic number, because the mean of its divisors is an integer number (643302).

Almost surely, 2^12279338 is an apocalyptic number.

12279338 is a deficient number, since it is larger than the sum of its proper divisors (8306326).

12279338 is a wasteful number, since it uses less digits than its factorization.

12279338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its digits is 18144, while the sum is 35.

The square root of 12279338 is about 3504.1886364749. The cubic root of 12279338 is about 230.7056964298.

The spelling of 12279338 in words is "twelve million, two hundred seventy-nine thousand, three hundred thirty-eight".