13249983 has 4 divisors (see below), whose sum is σ = 17666648. Its totient is φ = 8833320.

The previous prime is 13249967. The next prime is 13249997. The reversal of 13249983 is 38994231.

13249983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38994231 = 3 ⋅12998077.

It is not a de Polignac number, because 13249983 - 2⁴ = 13249967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13249903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208328 + ... + 2208333.

It is an arithmetic number, because the mean of its divisors is an integer number (4416662).

Almost surely, 2^13249983 is an apocalyptic number.

13249983 is a deficient number, since it is larger than the sum of its proper divisors (4416665).

13249983 is an equidigital number, since it uses as much as digits as its factorization.

13249983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4416664.

The product of its digits is 46656, while the sum is 39.

The square root of 13249983 is about 3640.0526095099. The cubic root of 13249983 is about 236.6310733574.

The spelling of 13249983 in words is "thirteen million, two hundred forty-nine thousand, nine hundred eighty-three".