12312449 has 8 divisors (see below), whose sum is σ = 12638208. Its totient is φ = 11989440.

The previous prime is 12312439. The next prime is 12312457. The reversal of 12312449 is 94421321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12312449 - 2⁸ = 12312193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12312439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10784 + ... + 11870.

It is an arithmetic number, because the mean of its divisors is an integer number (1579776).

Almost surely, 2^12312449 is an apocalyptic number.

It is an amenable number.

12312449 is a deficient number, since it is larger than the sum of its proper divisors (325759).

12312449 is a wasteful number, since it uses less digits than its factorization.

12312449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1375.

The product of its digits is 1728, while the sum is 26.

The square root of 12312449 is about 3508.9099446979. The cubic root of 12312449 is about 230.9128748227.

The spelling of 12312449 in words is "twelve million, three hundred twelve thousand, four hundred forty-nine".