13383643 has 8 divisors (see below), whose sum is σ = 16472288. Its totient is φ = 10589184.

The previous prime is 13383637. The next prime is 13383647. The reversal of 13383643 is 34638331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13383643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13383647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73446 + ... + 73627.

It is an arithmetic number, because the mean of its divisors is an integer number (2059036).

Almost surely, 2^13383643 is an apocalyptic number.

13383643 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13383643 is a deficient number, since it is larger than the sum of its proper divisors (3088645).

13383643 is a wasteful number, since it uses less digits than its factorization.

13383643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147093.

The product of its digits is 15552, while the sum is 31.

The square root of 13383643 is about 3658.3661653804. The cubic root of 13383643 is about 237.4240894979.

The spelling of 13383643 in words is "thirteen million, three hundred eighty-three thousand, six hundred forty-three".