12869157 has 8 divisors (see below), whose sum is σ = 19610176. Its totient is φ = 7353792.

The previous prime is 12869149. The next prime is 12869161. The reversal of 12869157 is 75196821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12869157 - 2³ = 12869149 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 (12869147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306388 + ... + 306429.

It is an arithmetic number, because the mean of its divisors is an integer number (2451272).

Almost surely, 2^12869157 is an apocalyptic number.

It is an amenable number.

12869157 is a deficient number, since it is larger than the sum of its proper divisors (6741019).

12869157 is an equidigital number, since it uses as much as digits as its factorization.

12869157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612827.

The product of its digits is 30240, while the sum is 39.

The square root of 12869157 is about 3587.3607290040. The cubic root of 12869157 is about 234.3419465565.

The spelling of 12869157 in words is "twelve million, eight hundred sixty-nine thousand, one hundred fifty-seven".