13267157 has 4 divisors (see below), whose sum is σ = 14047596. Its totient is φ = 12486720.

The previous prime is 13267151. The next prime is 13267171. The reversal of 13267157 is 75176231.

13267157 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 an emirpimes, since its reverse is a distinct semiprime: 75176231 = 13 ⋅5782787.

It can be written as a sum of positive squares in 2 ways, for example, as 3786916 + 9480241 = 1946^2 + 3079^2 .

It is a cyclic number.

It is not a de Polignac number, because 13267157 - 2⁸ = 13266901 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 (13267151) 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, 390194 + ... + 390227.

It is an arithmetic number, because the mean of its divisors is an integer number (3511899).

Almost surely, 2^13267157 is an apocalyptic number.

13267157 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13267157 is a deficient number, since it is larger than the sum of its proper divisors (780439).

13267157 is an equidigital number, since it uses as much as digits as its factorization.

13267157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780438.

The product of its digits is 8820, while the sum is 32.

The square root of 13267157 is about 3642.4108774272. The cubic root of 13267157 is about 236.7332658785.

The spelling of 13267157 in words is "thirteen million, two hundred sixty-seven thousand, one hundred fifty-seven".