12631453 has 4 divisors (see below), whose sum is σ = 12838588. Its totient is φ = 12424320.

The previous prime is 12631429. The next prime is 12631471. The reversal of 12631453 is 35413621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3523129 + 9108324 = 1877^2 + 3018^2 .

It is a cyclic number.

It is not a de Polignac number, because 12631453 - 2⁹ = 12630941 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 (12631753) 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, 103476 + ... + 103597.

It is an arithmetic number, because the mean of its divisors is an integer number (3209647).

Almost surely, 2^12631453 is an apocalyptic number.

It is an amenable number.

12631453 is a deficient number, since it is larger than the sum of its proper divisors (207135).

12631453 is an equidigital number, since it uses as much as digits as its factorization.

12631453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207134.

The product of its digits is 2160, while the sum is 25.

The square root of 12631453 is about 3554.0755478746. The cubic root of 12631453 is about 232.8901408208.

The spelling of 12631453 in words is "twelve million, six hundred thirty-one thousand, four hundred fifty-three".