12629447 has 2 divisors, whose sum is σ = 12629448. Its totient is φ = 12629446.

The previous prime is 12629437. The next prime is 12629479. The reversal of 12629447 is 74492621.

12629447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12629447 - 2¹⁰ = 12628423 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12629437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6314723 + 6314724.

It is an arithmetic number, because the mean of its divisors is an integer number (6314724).

Almost surely, 2^12629447 is an apocalyptic number.

12629447 is a deficient number, since it is larger than the sum of its proper divisors (1).

12629447 is an equidigital number, since it uses as much as digits as its factorization.

12629447 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 12629447 is about 3553.7933254482. The cubic root of 12629447 is about 232.8778117469.

The spelling of 12629447 in words is "twelve million, six hundred twenty-nine thousand, four hundred forty-seven".