13672173 has 4 divisors (see below), whose sum is σ = 18229568. Its totient is φ = 9114780.

The previous prime is 13672163. The next prime is 13672181. The reversal of 13672173 is 37127631.

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 not a de Polignac number, because 13672173 - 2⁴ = 13672157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13672173.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13672133) 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, 2278693 + ... + 2278698.

It is an arithmetic number, because the mean of its divisors is an integer number (4557392).

Almost surely, 2^13672173 is an apocalyptic number.

It is an amenable number.

13672173 is a deficient number, since it is larger than the sum of its proper divisors (4557395).

13672173 is an equidigital number, since it uses as much as digits as its factorization.

13672173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557394.

The product of its digits is 5292, while the sum is 30.

The square root of 13672173 is about 3697.5901611725. The cubic root of 13672173 is about 239.1181351398.

The spelling of 13672173 in words is "thirteen million, six hundred seventy-two thousand, one hundred seventy-three".