12869831 has 8 divisors (see below), whose sum is σ = 14122080. Its totient is φ = 11655072.

The previous prime is 12869809. The next prime is 12869837. The reversal of 12869831 is 13896821.

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

It is a de Polignac number, because none of the positive numbers 2^k-12869831 is a prime.

It is a super-2 number, since 2×12869831² = 331265099937122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12869837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8651 + ... + 10028.

It is an arithmetic number, because the mean of its divisors is an integer number (1765260).

Almost surely, 2^12869831 is an apocalyptic number.

12869831 is a deficient number, since it is larger than the sum of its proper divisors (1252249).

12869831 is a wasteful number, since it uses less digits than its factorization.

12869831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18745.

The product of its digits is 20736, while the sum is 38.

The square root of 12869831 is about 3587.4546687031. The cubic root of 12869831 is about 234.3460375708.

The spelling of 12869831 in words is "twelve million, eight hundred sixty-nine thousand, eight hundred thirty-one".