13513469 has 2 divisors, whose sum is σ = 13513470. Its totient is φ = 13513468.

The previous prime is 13513459. The next prime is 13513499. The reversal of 13513469 is 96431531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13322500 + 190969 = 3650^2 + 437^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13513469 is a prime.

It is a super-2 number, since 2×13513469² = 365227688827922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13513429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756734 + 6756735.

It is an arithmetic number, because the mean of its divisors is an integer number (6756735).

Almost surely, 2^13513469 is an apocalyptic number.

It is an amenable number.

13513469 is a deficient number, since it is larger than the sum of its proper divisors (1).

13513469 is an equidigital number, since it uses as much as digits as its factorization.

13513469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 32.

The square root of 13513469 is about 3676.0670559716. The cubic root of 13513469 is about 238.1893192699.

The spelling of 13513469 in words is "thirteen million, five hundred thirteen thousand, four hundred sixty-nine".