13412157 has 16 divisors (see below), whose sum is σ = 20536320. Its totient is φ = 7700400.

The previous prime is 13412143. The next prime is 13412159. The reversal of 13412157 is 75121431.

It is not a de Polignac number, because 13412157 - 2⁷ = 13412029 is a prime.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13412159) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10069 + ... + 11322.

It is an arithmetic number, because the mean of its divisors is an integer number (1283520).

Almost surely, 2^13412157 is an apocalyptic number.

It is an amenable number.

13412157 is a deficient number, since it is larger than the sum of its proper divisors (7124163).

13412157 is a wasteful number, since it uses less digits than its factorization.

13412157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21424.

The product of its digits is 840, while the sum is 24.

The square root of 13412157 is about 3662.2611867533. The cubic root of 13412157 is about 237.5925814494.

Adding to 13412157 its reverse (75121431), we get a palindrome (88533588).

The spelling of 13412157 in words is "thirteen million, four hundred twelve thousand, one hundred fifty-seven".