12453449 has 8 divisors (see below), whose sum is σ = 12780288. Its totient is φ = 12129280.

The previous prime is 12453443. The next prime is 12453473. The reversal of 12453449 is 94435421.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12453449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12453443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11564 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (1597536).

Almost surely, 2^12453449 is an apocalyptic number.

It is an amenable number.

12453449 is a deficient number, since it is larger than the sum of its proper divisors (326839).

12453449 is a wasteful number, since it uses less digits than its factorization.

12453449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 17280, while the sum is 32.

The square root of 12453449 is about 3528.9444597500. The cubic root of 12453449 is about 231.7909891746.

The spelling of 12453449 in words is "twelve million, four hundred fifty-three thousand, four hundred forty-nine".