12629426 has 4 divisors (see below), whose sum is σ = 18944142. Its totient is φ = 6314712.

The previous prime is 12629411. The next prime is 12629437. The reversal of 12629426 is 62492621.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7102225 + 5527201 = 2665^2 + 2351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12629392 and 12629401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3157355 + ... + 3157358.

Almost surely, 2^12629426 is an apocalyptic number.

12629426 is a deficient number, since it is larger than the sum of its proper divisors (6314716).

12629426 is an equidigital number, since it uses as much as digits as its factorization.

12629426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6314715.

The product of its digits is 10368, while the sum is 32.

The square root of 12629426 is about 3553.7903708576. The cubic root of 12629426 is about 232.8776826719.

The spelling of 12629426 in words is "twelve million, six hundred twenty-nine thousand, four hundred twenty-six".