13231453 has 6 divisors (see below), whose sum is σ = 13704314. Its totient is φ = 12774384.

The previous prime is 13231411. The next prime is 13231481. The reversal of 13231453 is 35413231.

It can be written as a sum of positive squares in 3 ways, for example, as 465124 + 12766329 = 682^2 + 3573^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13231453 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 (13231553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7026 + ... + 8707.

Almost surely, 2^13231453 is an apocalyptic number.

It is an amenable number.

13231453 is a deficient number, since it is larger than the sum of its proper divisors (472861).

13231453 is an equidigital number, since it uses as much as digits as its factorization.

13231453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15791 (or 15762 counting only the distinct ones).

The product of its digits is 1080, while the sum is 22.

The square root of 13231453 is about 3637.5064261112. The cubic root of 13231453 is about 236.5207129792.

Adding to 13231453 its reverse (35413231), we get a palindrome (48644684).

The spelling of 13231453 in words is "thirteen million, two hundred thirty-one thousand, four hundred fifty-three".