13674157 has 4 divisors (see below), whose sum is σ = 15627616. Its totient is φ = 11720700.

The previous prime is 13674139. The next prime is 13674163. The reversal of 13674157 is 75147631.

13674157 is digitally balanced in base 2, because in such base 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, and also an emirpimes, since its reverse is a distinct semiprime: 75147631 = 13 ⋅5780587.

It is a cyclic number.

It is not a de Polignac number, because 13674157 - 2¹⁵ = 13641389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13674257) 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, 976719 + ... + 976732.

It is an arithmetic number, because the mean of its divisors is an integer number (3906904).

Almost surely, 2^13674157 is an apocalyptic number.

It is an amenable number.

13674157 is a deficient number, since it is larger than the sum of its proper divisors (1953459).

13674157 is an equidigital number, since it uses as much as digits as its factorization.

13674157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953458.

The product of its digits is 17640, while the sum is 34.

The square root of 13674157 is about 3697.8584342833. The cubic root of 13674157 is about 239.1297009052.

It can be divided in two parts, 13674 and 157, that added together give a palindrome (13831).

The spelling of 13674157 in words is "thirteen million, six hundred seventy-four thousand, one hundred fifty-seven".