12869426 has 4 divisors (see below), whose sum is σ = 19304142. Its totient is φ = 6434712.

The previous prime is 12869413. The next prime is 12869429. The reversal of 12869426 is 62496821.

12869426 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: 62496821 = 79 ⋅791099.

It can be written as a sum of positive squares in only one way, i.e., 12145225 + 724201 = 3485^2 + 851^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12869426.

It is not an unprimeable number, because it can be changed into a prime (12869429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217355 + ... + 3217358.

Almost surely, 2^12869426 is an apocalyptic number.

12869426 is a deficient number, since it is larger than the sum of its proper divisors (6434716).

12869426 is an equidigital number, since it uses as much as digits as its factorization.

12869426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6434715.

The product of its digits is 41472, while the sum is 38.

The square root of 12869426 is about 3587.3982215528. The cubic root of 12869426 is about 234.3435793375.

The spelling of 12869426 in words is "twelve million, eight hundred sixty-nine thousand, four hundred twenty-six".