12629437 has 2 divisors, whose sum is σ = 12629438. Its totient is φ = 12629436.

The previous prime is 12629411. The next prime is 12629447. The reversal of 12629437 is 73492621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7458361 + 5171076 = 2731^2 + 2274^2 .

It is an emirp because it is prime and its reverse (73492621) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12629437 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12629447) 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 as a sum of consecutive naturals, namely, 6314718 + 6314719.

It is an arithmetic number, because the mean of its divisors is an integer number (6314719).

Almost surely, 2^12629437 is an apocalyptic number.

It is an amenable number.

12629437 is a deficient number, since it is larger than the sum of its proper divisors (1).

12629437 is an equidigital number, since it uses as much as digits as its factorization.

12629437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 12629437 is about 3553.7919185006. The cubic root of 12629437 is about 232.8777502826.

The spelling of 12629437 in words is "twelve million, six hundred twenty-nine thousand, four hundred thirty-seven".