12449456 has 10 divisors (see below), whose sum is σ = 24120852. Its totient is φ = 6224720.

The previous prime is 12449449. The next prime is 12449461. The reversal of 12449456 is 65494421.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389030 + ... + 389061.

Almost surely, 2^12449456 is an apocalyptic number.

12449456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12449456 is a deficient number, since it is larger than the sum of its proper divisors (11671396).

12449456 is an equidigital number, since it uses as much as digits as its factorization.

12449456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778099 (or 778093 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 12449456 is about 3528.3786644860. The cubic root of 12449456 is about 231.7662131639.

The spelling of 12449456 in words is "twelve million, four hundred forty-nine thousand, four hundred fifty-six".