13673157 has 4 divisors (see below), whose sum is σ = 18230880. Its totient is φ = 9115436.

The previous prime is 13673137. The next prime is 13673173. The reversal of 13673157 is 75137631.

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 13673157 - 2¹⁰ = 13672133 is a prime.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13673137) 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, 2278857 + ... + 2278862.

It is an arithmetic number, because the mean of its divisors is an integer number (4557720).

Almost surely, 2^13673157 is an apocalyptic number.

It is an amenable number.

13673157 is a deficient number, since it is larger than the sum of its proper divisors (4557723).

13673157 is an equidigital number, since it uses as much as digits as its factorization.

13673157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4557722.

The product of its digits is 13230, while the sum is 33.

The square root of 13673157 is about 3697.7232184143. The cubic root of 13673157 is about 239.1238715262.

The spelling of 13673157 in words is "thirteen million, six hundred seventy-three thousand, one hundred fifty-seven".