12629839 has 4 divisors (see below), whose sum is σ = 12971224. Its totient is φ = 12288456.

The previous prime is 12629833. The next prime is 12629843. The reversal of 12629839 is 93892621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 93892621 = 523 ⋅179527.

It is a cyclic number.

It is not a de Polignac number, because 12629839 - 2⁵ = 12629807 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 (12629833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170637 + ... + 170710.

It is an arithmetic number, because the mean of its divisors is an integer number (3242806).

Almost surely, 2^12629839 is an apocalyptic number.

12629839 is a deficient number, since it is larger than the sum of its proper divisors (341385).

12629839 is an equidigital number, since it uses as much as digits as its factorization.

12629839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341384.

The product of its digits is 46656, while the sum is 40.

The square root of 12629839 is about 3553.8484773552. The cubic root of 12629839 is about 232.8802211202.

The spelling of 12629839 in words is "twelve million, six hundred twenty-nine thousand, eight hundred thirty-nine".