13549982 has 4 divisors (see below), whose sum is σ = 20324976. Its totient is φ = 6774990.

The previous prime is 13549981. The next prime is 13550039. The reversal of 13549982 is 28994531.

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 (13549981) by changing a digit.

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, 3387494 + ... + 3387497.

It is an arithmetic number, because the mean of its divisors is an integer number (5081244).

Almost surely, 2^13549982 is an apocalyptic number.

13549982 is a deficient number, since it is larger than the sum of its proper divisors (6774994).

13549982 is an equidigital number, since it uses as much as digits as its factorization.

13549982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6774993.

The product of its digits is 77760, while the sum is 41.

The square root of 13549982 is about 3681.0300188942. The cubic root of 13549982 is about 238.4036532141.

The spelling of 13549982 in words is "thirteen million, five hundred forty-nine thousand, nine hundred eighty-two".