12612453 has 40 divisors (see below), whose sum is σ = 20973888. Its totient is φ = 6717312.

The previous prime is 12612437. The next prime is 12612473. The reversal of 12612453 is 35421621.

It is not a de Polignac number, because 12612453 - 2⁴ = 12612437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12612433) 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 39 ways as a sum of consecutive naturals, for example, 122400 + ... + 122502.

Almost surely, 2^12612453 is an apocalyptic number.

It is an amenable number.

12612453 is a deficient number, since it is larger than the sum of its proper divisors (8361435).

12612453 is an equidigital number, since it uses as much as digits as its factorization.

12612453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 130 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 12612453 is about 3551.4015543163. The cubic root of 12612453 is about 232.7733125310.

The spelling of 12612453 in words is "twelve million, six hundred twelve thousand, four hundred fifty-three".