12387629 has 2 divisors, whose sum is σ = 12387630. Its totient is φ = 12387628.

The previous prime is 12387623. The next prime is 12387653. The reversal of 12387629 is 92678321.

12387629 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 can be written as a sum of positive squares in only one way, i.e., 7414729 + 4972900 = 2723^2 + 2230^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12387629 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12387592 and 12387601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12387623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193814 + 6193815.

It is an arithmetic number, because the mean of its divisors is an integer number (6193815).

Almost surely, 2^12387629 is an apocalyptic number.

It is an amenable number.

12387629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12387629 is an equidigital number, since it uses as much as digits as its factorization.

12387629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 38.

The square root of 12387629 is about 3519.6063700363. The cubic root of 12387629 is about 231.3819073108.

The spelling of 12387629 in words is "twelve million, three hundred eighty-seven thousand, six hundred twenty-nine".