13409583 has 48 divisors (see below), whose sum is σ = 21718368. Its totient is φ = 7321600.

The previous prime is 13409551. The next prime is 13409587. The reversal of 13409583 is 38590431.

13409583 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 13409583 - 2⁵ = 13409551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13409587) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 252985 + ... + 253037.

It is an arithmetic number, because the mean of its divisors is an integer number (452466).

Almost surely, 2^13409583 is an apocalyptic number.

13409583 is a deficient number, since it is larger than the sum of its proper divisors (8308785).

13409583 is a wasteful number, since it uses less digits than its factorization.

13409583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 13409583 is about 3661.9097476590. The cubic root of 13409583 is about 237.5773812488.

13409583 divided by its sum of digits (33) gives a triangular number (406351 = T₉₀₁).

The spelling of 13409583 in words is "thirteen million, four hundred nine thousand, five hundred eighty-three".