13333982 has 4 divisors (see below), whose sum is σ = 20000976. Its totient is φ = 6666990.

The previous prime is 13333981. The next prime is 13334011. The reversal of 13333982 is 28933331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13333981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3333494 + ... + 3333497.

It is an arithmetic number, because the mean of its divisors is an integer number (5000244).

Almost surely, 2^13333982 is an apocalyptic number.

13333982 is a deficient number, since it is larger than the sum of its proper divisors (6666994).

13333982 is an equidigital number, since it uses as much as digits as its factorization.

13333982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666993.

The product of its digits is 11664, while the sum is 32.

The square root of 13333982 is about 3651.5725379622. The cubic root of 13333982 is about 237.1300656339.

The spelling of 13333982 in words is "thirteen million, three hundred thirty-three thousand, nine hundred eighty-two".