13449718 has 4 divisors (see below), whose sum is σ = 20174580. Its totient is φ = 6724858.

The previous prime is 13449697. The next prime is 13449727. The reversal of 13449718 is 81794431.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 3362428 + ... + 3362431.

It is an arithmetic number, because the mean of its divisors is an integer number (5043645).

Almost surely, 2^13449718 is an apocalyptic number.

13449718 is a deficient number, since it is larger than the sum of its proper divisors (6724862).

13449718 is an equidigital number, since it uses as much as digits as its factorization.

13449718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724861.

The product of its digits is 24192, while the sum is 37.

The square root of 13449718 is about 3667.3857173742. The cubic root of 13449718 is about 237.8141689012.

The spelling of 13449718 in words is "thirteen million, four hundred forty-nine thousand, seven hundred eighteen".