13409804 has 12 divisors (see below), whose sum is σ = 24847704. Its totient is φ = 6310464.

The previous prime is 13409797. The next prime is 13409807. The reversal of 13409804 is 40890431.

It is not an unprimeable number, because it can be changed into a prime (13409807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98534 + ... + 98669.

It is an arithmetic number, because the mean of its divisors is an integer number (2070642).

Almost surely, 2^13409804 is an apocalyptic number.

It is an amenable number.

13409804 is a deficient number, since it is larger than the sum of its proper divisors (11437900).

13409804 is a wasteful number, since it uses less digits than its factorization.

13409804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197224 (or 197222 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 13409804 is about 3661.9399230463. The cubic root of 13409804 is about 237.5786863928.

The spelling of 13409804 in words is "thirteen million, four hundred nine thousand, eight hundred four".