12504453 has 8 divisors (see below), whose sum is σ = 17955168. Its totient is φ = 7695024.

The previous prime is 12504431. The next prime is 12504473. The reversal of 12504453 is 35440521.

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

It is not a de Polignac number, because 12504453 - 2⁹ = 12503941 is a prime.

It is a super-2 number, since 2×12504453² = 312722689658418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504473) 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, 160275 + ... + 160352.

It is an arithmetic number, because the mean of its divisors is an integer number (2244396).

Almost surely, 2^12504453 is an apocalyptic number.

12504453 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12504453 is a deficient number, since it is larger than the sum of its proper divisors (5450715).

12504453 is a wasteful number, since it uses less digits than its factorization.

12504453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320643.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12504453 is about 3536.1635991566. The cubic root of 12504453 is about 232.1069970689.

Adding to 12504453 its reverse (35440521), we get a palindrome (47944974).

The spelling of 12504453 in words is "twelve million, five hundred four thousand, four hundred fifty-three".