13409384 has 8 divisors (see below), whose sum is σ = 25142610. Its totient is φ = 6704688.

The previous prime is 13409369. The next prime is 13409401. The reversal of 13409384 is 48390431.

It can be written as a sum of positive squares in only one way, i.e., 12888100 + 521284 = 3590^2 + 722^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 13409384.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 838079 + ... + 838094.

Almost surely, 2^13409384 is an apocalyptic number.

It is an amenable number.

13409384 is a deficient number, since it is larger than the sum of its proper divisors (11733226).

13409384 is a wasteful number, since it uses less digits than its factorization.

13409384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1676179 (or 1676175 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 13409384 is about 3661.8825759437. The cubic root of 13409384 is about 237.5762060163.

The spelling of 13409384 in words is "thirteen million, four hundred nine thousand, three hundred eighty-four".