13453072 has 10 divisors (see below), whose sum is σ = 26065358. Its totient is φ = 6726528.

The previous prime is 13453049. The next prime is 13453073. The reversal of 13453072 is 27035431.

It can be written as a sum of positive squares in only one way, i.e., 12278016 + 1175056 = 3504^2 + 1084^2 .

It is not an unprimeable number, because it can be changed into a prime (13453073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 420393 + ... + 420424.

Almost surely, 2^13453072 is an apocalyptic number.

It is an amenable number.

13453072 is a deficient number, since it is larger than the sum of its proper divisors (12612286).

13453072 is an equidigital number, since it uses as much as digits as its factorization.

13453072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840825 (or 840819 counting only the distinct ones).

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

The square root of 13453072 is about 3667.8429628325. The cubic root of 13453072 is about 237.8339354229.

The spelling of 13453072 in words is "thirteen million, four hundred fifty-three thousand, seventy-two".