12339345 has 16 divisors (see below), whose sum is σ = 19926720. Its totient is φ = 6519744.

The previous prime is 12339329. The next prime is 12339359. The reversal of 12339345 is 54393321.

It is not a de Polignac number, because 12339345 - 2⁴ = 12339329 is a prime.

It is a Curzon number.

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, 2139 + ... + 5408.

It is an arithmetic number, because the mean of its divisors is an integer number (1245420).

Almost surely, 2^12339345 is an apocalyptic number.

12339345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12339345 is a deficient number, since it is larger than the sum of its proper divisors (7587375).

12339345 is a wasteful number, since it uses less digits than its factorization.

12339345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7664.

The product of its digits is 9720, while the sum is 30.

The square root of 12339345 is about 3512.7403832336. The cubic root of 12339345 is about 231.0808921921.

The spelling of 12339345 in words is "twelve million, three hundred thirty-nine thousand, three hundred forty-five".