12782629 has 2 divisors, whose sum is σ = 12782630. Its totient is φ = 12782628.

The previous prime is 12782599. The next prime is 12782639. The reversal of 12782629 is 92628721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 4401604 = 2895^2 + 2098^2 .

It is a cyclic number.

It is not a de Polignac number, because 12782629 - 2¹⁵ = 12749861 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 (12782639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6391314 + 6391315.

It is an arithmetic number, because the mean of its divisors is an integer number (6391315).

Almost surely, 2^12782629 is an apocalyptic number.

It is an amenable number.

12782629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12782629 is an equidigital number, since it uses as much as digits as its factorization.

12782629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 12782629 is about 3575.2802687342. The cubic root of 12782629 is about 233.8155521680.

The spelling of 12782629 in words is "twelve million, seven hundred eighty-two thousand, six hundred twenty-nine".