13190509 has 2 divisors, whose sum is σ = 13190510. Its totient is φ = 13190508.

The previous prime is 13190467. The next prime is 13190533. The reversal of 13190509 is 90509131.

13190509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11202409 + 1988100 = 3347^2 + 1410^2 .

It is a cyclic number.

It is not a de Polignac number, because 13190509 - 2⁷ = 13190381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13190549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595254 + 6595255.

It is an arithmetic number, because the mean of its divisors is an integer number (6595255).

Almost surely, 2^13190509 is an apocalyptic number.

It is an amenable number.

13190509 is a deficient number, since it is larger than the sum of its proper divisors (1).

13190509 is an equidigital number, since it uses as much as digits as its factorization.

13190509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1215, while the sum is 28.

The square root of 13190509 is about 3631.8740341592. The cubic root of 13190509 is about 236.2764941406.

The spelling of 13190509 in words is "thirteen million, one hundred ninety thousand, five hundred nine".