12972629 has 2 divisors, whose sum is σ = 12972630. Its totient is φ = 12972628.

The previous prime is 12972613. The next prime is 12972637. The reversal of 12972629 is 92627921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12439729 + 532900 = 3527^2 + 730^2 .

It is a cyclic number.

It is not a de Polignac number, because 12972629 - 2⁴ = 12972613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12972592 and 12972601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12972689) 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, 6486314 + 6486315.

It is an arithmetic number, because the mean of its divisors is an integer number (6486315).

Almost surely, 2^12972629 is an apocalyptic number.

It is an amenable number.

12972629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12972629 is an equidigital number, since it uses as much as digits as its factorization.

12972629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 12972629 is about 3601.7536006784. The cubic root of 12972629 is about 234.9683313293.

The spelling of 12972629 in words is "twelve million, nine hundred seventy-two thousand, six hundred twenty-nine".