12453456 has 40 divisors (see below), whose sum is σ = 32301504. Its totient is φ = 4134400.

The previous prime is 12453443. The next prime is 12453473. The reversal of 12453456 is 65435421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18925 + ... + 19571.

Almost surely, 2^12453456 is an apocalyptic number.

12453456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12453456 is an abundant number, since it is smaller than the sum of its proper divisors (19848048).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12453456 is a wasteful number, since it uses less digits than its factorization.

12453456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1059 (or 1053 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 12453456 is about 3528.9454515478. The cubic root of 12453456 is about 231.7910326040.

Adding to 12453456 its reverse (65435421), we get a palindrome (77888877).

The spelling of 12453456 in words is "twelve million, four hundred fifty-three thousand, four hundred fifty-six".