12392249 has 2 divisors, whose sum is σ = 12392250. Its totient is φ = 12392248.

The previous prime is 12392243. The next prime is 12392273. The reversal of 12392249 is 94229321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12390400 + 1849 = 3520^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 12392249 - 2¹² = 12388153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12392243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6196124 + 6196125.

It is an arithmetic number, because the mean of its divisors is an integer number (6196125).

Almost surely, 2^12392249 is an apocalyptic number.

It is an amenable number.

12392249 is a deficient number, since it is larger than the sum of its proper divisors (1).

12392249 is an equidigital number, since it uses as much as digits as its factorization.

12392249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 12392249 is about 3520.2626322478. The cubic root of 12392249 is about 231.4106685732.

The spelling of 12392249 in words is "twelve million, three hundred ninety-two thousand, two hundred forty-nine".