13020629 has 2 divisors, whose sum is σ = 13020630. Its totient is φ = 13020628.

The previous prime is 13020613. The next prime is 13020641. The reversal of 13020629 is 92602031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12974404 + 46225 = 3602^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020629 - 2⁴ = 13020613 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 (13020649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510314 + 6510315.

It is an arithmetic number, because the mean of its divisors is an integer number (6510315).

Almost surely, 2^13020629 is an apocalyptic number.

It is an amenable number.

13020629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020629 is an equidigital number, since it uses as much as digits as its factorization.

13020629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 13020629 is about 3608.4108690669. The cubic root of 13020629 is about 235.2577765896.

The spelling of 13020629 in words is "thirteen million, twenty thousand, six hundred twenty-nine".