12704453 has 2 divisors, whose sum is σ = 12704454. Its totient is φ = 12704452.

The previous prime is 12704413. The next prime is 12704467. The reversal of 12704453 is 35440721.

12704453 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9721924 + 2982529 = 3118^2 + 1727^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12704453 is a prime.

It is a super-2 number, since 2×12704453² = 322806252058418, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12704413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6352226 + 6352227.

It is an arithmetic number, because the mean of its divisors is an integer number (6352227).

Almost surely, 2^12704453 is an apocalyptic number.

It is an amenable number.

12704453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12704453 is an equidigital number, since it uses as much as digits as its factorization.

12704453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 12704453 is about 3564.3306524508. The cubic root of 12704453 is about 233.3379207715.

The spelling of 12704453 in words is "twelve million, seven hundred four thousand, four hundred fifty-three".