13491029 has 2 divisors, whose sum is σ = 13491030. Its totient is φ = 13491028.

The previous prime is 13491019. The next prime is 13491073. The reversal of 13491029 is 92019431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13490929 + 100 = 3673^2 + 10^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13491029 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 13490992 and 13491010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13491019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6745514 + 6745515.

It is an arithmetic number, because the mean of its divisors is an integer number (6745515).

Almost surely, 2^13491029 is an apocalyptic number.

It is an amenable number.

13491029 is a deficient number, since it is larger than the sum of its proper divisors (1).

13491029 is an equidigital number, since it uses as much as digits as its factorization.

13491029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 13491029 is about 3673.0136128253. The cubic root of 13491029 is about 238.0574032383.

The spelling of 13491029 in words is "thirteen million, four hundred ninety-one thousand, twenty-nine".