15712453 has 4 divisors (see below), whose sum is σ = 15721420. Its totient is φ = 15703488.

The previous prime is 15712451. The next prime is 15712483. The reversal of 15712453 is 35421751.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 10903204 + 4809249 = 3302^2 + 2193^2 .

It is a cyclic number.

It is not a de Polignac number, because 15712453 - 2¹ = 15712451 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 (15712451) 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, 900 + ... + 5677.

It is an arithmetic number, because the mean of its divisors is an integer number (3930355).

Almost surely, 2^15712453 is an apocalyptic number.

It is an amenable number.

15712453 is a deficient number, since it is larger than the sum of its proper divisors (8967).

15712453 is an equidigital number, since it uses as much as digits as its factorization.

15712453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966.

The product of its digits is 4200, while the sum is 28.

The square root of 15712453 is about 3963.8936665859. The cubic root of 15712453 is about 250.4655485202.

The spelling of 15712453 in words is "fifteen million, seven hundred twelve thousand, four hundred fifty-three".