12339472 has 10 divisors (see below), whose sum is σ = 23907758. Its totient is φ = 6169728.

The previous prime is 12339451. The next prime is 12339479. The reversal of 12339472 is 27493321.

It can be written as a sum of positive squares in only one way, i.e., 11048976 + 1290496 = 3324^2 + 1136^2 .

It is not an unprimeable number, because it can be changed into a prime (12339479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385593 + ... + 385624.

Almost surely, 2^12339472 is an apocalyptic number.

It is an amenable number.

12339472 is a deficient number, since it is larger than the sum of its proper divisors (11568286).

12339472 is an equidigital number, since it uses as much as digits as its factorization.

12339472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 771225 (or 771219 counting only the distinct ones).

The product of its digits is 9072, while the sum is 31.

The square root of 12339472 is about 3512.7584602418. The cubic root of 12339472 is about 231.0816849725.

The spelling of 12339472 in words is "twelve million, three hundred thirty-nine thousand, four hundred seventy-two".