13383603 has 16 divisors (see below), whose sum is σ = 20364960. Its totient is φ = 8680608.

The previous prime is 13383593. The next prime is 13383637. The reversal of 13383603 is 30638331.

It is not a de Polignac number, because 13383603 - 2²⁰ = 12335027 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13383653) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5700 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (1272810).

Almost surely, 2^13383603 is an apocalyptic number.

13383603 is a deficient number, since it is larger than the sum of its proper divisors (6981357).

13383603 is a wasteful number, since it uses less digits than its factorization.

13383603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13443 (or 13437 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 13383603 is about 3658.3606984550. The cubic root of 13383603 is about 237.4238529661.

The spelling of 13383603 in words is "thirteen million, three hundred eighty-three thousand, six hundred three".