12937869 has 24 divisors (see below), whose sum is σ = 21528000. Its totient is φ = 7334208.

The previous prime is 12937861. The next prime is 12937877. The reversal of 12937869 is 96873921.

12937869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12937861) and next prime (12937877).

It is not a de Polignac number, because 12937869 - 2³ = 12937861 is a prime.

It is a super-2 number, since 2×12937869² = 334776908522322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12937861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7882 + ... + 9380.

It is an arithmetic number, because the mean of its divisors is an integer number (897000).

Almost surely, 2^12937869 is an apocalyptic number.

It is an amenable number.

12937869 is a deficient number, since it is larger than the sum of its proper divisors (8590131).

12937869 is a wasteful number, since it uses less digits than its factorization.

12937869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1646 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 12937869 is about 3596.9249366647. The cubic root of 12937869 is about 234.7582786874.

The spelling of 12937869 in words is "twelve million, nine hundred thirty-seven thousand, eight hundred sixty-nine".