12742453 has 4 divisors (see below), whose sum is σ = 12751200. Its totient is φ = 12733708.

The previous prime is 12742447. The next prime is 12742459. The reversal of 12742453 is 35424721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (12742447) and next prime (12742459).

It is a cyclic number.

It is not a de Polignac number, because 12742453 - 2⁵ = 12742421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12742459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1603 + ... + 5296.

It is an arithmetic number, because the mean of its divisors is an integer number (3187800).

Almost surely, 2^12742453 is an apocalyptic number.

It is an amenable number.

12742453 is a deficient number, since it is larger than the sum of its proper divisors (8747).

12742453 is an equidigital number, since it uses as much as digits as its factorization.

12742453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8746.

The product of its digits is 6720, while the sum is 28.

The square root of 12742453 is about 3569.6572664613. The cubic root of 12742453 is about 233.5703331176.

The spelling of 12742453 in words is "twelve million, seven hundred forty-two thousand, four hundred fifty-three".