12626869 has 4 divisors (see below), whose sum is σ = 13369644. Its totient is φ = 11884096.

The previous prime is 12626863. The next prime is 12626881. The reversal of 12626869 is 96862621.

It is a happy number.

12626869 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: 96862621 = 347 ⋅279143.

It can be written as a sum of positive squares in 2 ways, for example, as 5130225 + 7496644 = 2265^2 + 2738^2 .

It is a cyclic number.

It is not a de Polignac number, because 12626869 - 2⁵ = 12626837 is a prime.

It is a super-2 number, since 2×12626869² = 318875641486322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12626863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 371362 + ... + 371395.

It is an arithmetic number, because the mean of its divisors is an integer number (3342411).

Almost surely, 2^12626869 is an apocalyptic number.

It is an amenable number.

12626869 is a deficient number, since it is larger than the sum of its proper divisors (742775).

12626869 is an equidigital number, since it uses as much as digits as its factorization.

12626869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 742774.

The product of its digits is 62208, while the sum is 40.

The square root of 12626869 is about 3553.4305959171. The cubic root of 12626869 is about 232.8619651873.

The spelling of 12626869 in words is "twelve million, six hundred twenty-six thousand, eight hundred sixty-nine".