13468509 has 12 divisors (see below), whose sum is σ = 19500000. Its totient is φ = 8958024.

The previous prime is 13468489. The next prime is 13468513. The reversal of 13468509 is 90586431.

It is not a de Polignac number, because 13468509 - 2⁷ = 13468381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13468109) 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 in 11 ways as a sum of consecutive naturals, for example, 2992 + ... + 5990.

It is an arithmetic number, because the mean of its divisors is an integer number (1625000).

Almost surely, 2^13468509 is an apocalyptic number.

It is an amenable number.

13468509 is a deficient number, since it is larger than the sum of its proper divisors (6031491).

13468509 is a wasteful number, since it uses less digits than its factorization.

13468509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3501 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 13468509 is about 3669.9467298586. The cubic root of 13468509 is about 237.9248697727.

The spelling of 13468509 in words is "thirteen million, four hundred sixty-eight thousand, five hundred nine".