13438383 has 16 divisors (see below), whose sum is σ = 20768256. Its totient is φ = 7570080.

The previous prime is 13438367. The next prime is 13438387. The reversal of 13438383 is 38383431.

It is not a de Polignac number, because 13438383 - 2⁴ = 13438367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13438387) 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, 3016 + ... + 5997.

It is an arithmetic number, because the mean of its divisors is an integer number (1298016).

Almost surely, 2^13438383 is an apocalyptic number.

13438383 is a deficient number, since it is larger than the sum of its proper divisors (7329873).

13438383 is an equidigital number, since it uses as much as digits as its factorization.

13438383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9094.

The product of its digits is 20736, while the sum is 33.

The square root of 13438383 is about 3665.8400128756. The cubic root of 13438383 is about 237.7473426866.

The spelling of 13438383 in words is "thirteen million, four hundred thirty-eight thousand, three hundred eighty-three".