12392345 has 12 divisors (see below), whose sum is σ = 17299044. Its totient is φ = 8497440.

The previous prime is 12392339. The next prime is 12392357. The reversal of 12392345 is 54329321.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 5900041 = 2548^2 + 2429^2 .

It is not a de Polignac number, because 12392345 - 2⁴ = 12392329 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25046 + ... + 25535.

It is an arithmetic number, because the mean of its divisors is an integer number (1441587).

Almost surely, 2^12392345 is an apocalyptic number.

It is an amenable number.

12392345 is a deficient number, since it is larger than the sum of its proper divisors (4906699).

12392345 is an equidigital number, since it uses as much as digits as its factorization.

12392345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50600 (or 50593 counting only the distinct ones).

The product of its digits is 6480, while the sum is 29.

The square root of 12392345 is about 3520.2762675676. The cubic root of 12392345 is about 231.4112661340.

The spelling of 12392345 in words is "twelve million, three hundred ninety-two thousand, three hundred forty-five".