13016409 has 12 divisors (see below), whose sum is σ = 20188944. Its totient is φ = 7437864.

The previous prime is 13016371. The next prime is 13016431. The reversal of 13016409 is 90461031.

13016409 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13016409 - 2⁷ = 13016281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13016449) 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, 44127 + ... + 44420.

It is an arithmetic number, because the mean of its divisors is an integer number (1682412).

Almost surely, 2^13016409 is an apocalyptic number.

It is an amenable number.

13016409 is a deficient number, since it is larger than the sum of its proper divisors (7172535).

13016409 is an equidigital number, since it uses as much as digits as its factorization.

13016409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88564 (or 88557 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 13016409 is about 3607.8260767393. The cubic root of 13016409 is about 235.2323580764.

The spelling of 13016409 in words is "thirteen million, sixteen thousand, four hundred nine".