13347982 has 4 divisors (see below), whose sum is σ = 20021976. Its totient is φ = 6673990.

The previous prime is 13347967. The next prime is 13347991. The reversal of 13347982 is 28974331.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3336994 + ... + 3336997.

It is an arithmetic number, because the mean of its divisors is an integer number (5005494).

Almost surely, 2^13347982 is an apocalyptic number.

13347982 is a deficient number, since it is larger than the sum of its proper divisors (6673994).

13347982 is an equidigital number, since it uses as much as digits as its factorization.

13347982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6673993.

The product of its digits is 36288, while the sum is 37.

The square root of 13347982 is about 3653.4890173641. The cubic root of 13347982 is about 237.2130280906.

It can be divided in two parts, 1334 and 7982, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 13347982 in words is "thirteen million, three hundred forty-seven thousand, nine hundred eighty-two".