13072453 has 4 divisors (see below), whose sum is σ = 13294080. Its totient is φ = 12850828.

The previous prime is 13072447. The next prime is 13072457. The reversal of 13072453 is 35427031.

13072453 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 13072453 - 2⁹ = 13071941 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13072457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110725 + ... + 110842.

It is an arithmetic number, because the mean of its divisors is an integer number (3323520).

Almost surely, 2^13072453 is an apocalyptic number.

It is an amenable number.

13072453 is a deficient number, since it is larger than the sum of its proper divisors (221627).

13072453 is an equidigital number, since it uses as much as digits as its factorization.

13072453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221626.

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 13072453 is about 3615.5847383238. The cubic root of 13072453 is about 235.5694834812.

Adding to 13072453 its reverse (35427031), we get a palindrome (48499484).

The spelling of 13072453 in words is "thirteen million, seventy-two thousand, four hundred fifty-three".