13091629 has 2 divisors, whose sum is σ = 13091630. Its totient is φ = 13091628.

The previous prime is 13091621. The next prime is 13091677. The reversal of 13091629 is 92619031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12236004 + 855625 = 3498^2 + 925^2 .

It is an emirp because it is prime and its reverse (92619031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13091629 - 2³ = 13091621 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13091629.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13091621) 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, 6545814 + 6545815.

It is an arithmetic number, because the mean of its divisors is an integer number (6545815).

Almost surely, 2^13091629 is an apocalyptic number.

It is an amenable number.

13091629 is a deficient number, since it is larger than the sum of its proper divisors (1).

13091629 is an equidigital number, since it uses as much as digits as its factorization.

13091629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 13091629 is about 3618.2356197462. The cubic root of 13091629 is about 235.6846129424.

The spelling of 13091629 in words is "thirteen million, ninety-one thousand, six hundred twenty-nine".