13672445 has 8 divisors (see below), whose sum is σ = 16479960. Its totient is φ = 10889280.

The previous prime is 13672433. The next prime is 13672453. The reversal of 13672445 is 54427631.

It can be written as a sum of positive squares in 4 ways, for example, as 2669956 + 11002489 = 1634^2 + 3317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13672445 - 2⁴ = 13672429 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4826 + ... + 7115.

It is an arithmetic number, because the mean of its divisors is an integer number (2059995).

Almost surely, 2^13672445 is an apocalyptic number.

It is an amenable number.

13672445 is a deficient number, since it is larger than the sum of its proper divisors (2807515).

13672445 is a wasteful number, since it uses less digits than its factorization.

13672445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12175.

The product of its digits is 20160, while the sum is 32.

The square root of 13672445 is about 3697.6269417019. The cubic root of 13672445 is about 239.1197208351.

The spelling of 13672445 in words is "thirteen million, six hundred seventy-two thousand, four hundred forty-five".