12553456 has 20 divisors (see below), whose sum is σ = 24377904. Its totient is φ = 6262400.

The previous prime is 12553451. The next prime is 12553459. The reversal of 12553456 is 65435521.

12553456 is a Rhonda number in base 10.

Its product of digits (18000) is a multiple of the sum of its prime factors (1800).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12553451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11661 + ... + 12691.

Almost surely, 2^12553456 is an apocalyptic number.

12553456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12553456 is a deficient number, since it is larger than the sum of its proper divisors (11824448).

12553456 is a wasteful number, since it uses less digits than its factorization.

12553456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1800 (or 1794 counting only the distinct ones).

The product of its digits is 18000, while the sum is 31.

The square root of 12553456 is about 3543.0856608329. The cubic root of 12553456 is about 232.4097989021.

Adding to 12553456 its reverse (65435521), we get a palindrome (77988977).

The spelling of 12553456 in words is "twelve million, five hundred fifty-three thousand, four hundred fifty-six".