13973345 has 8 divisors (see below), whose sum is σ = 16790976. Its totient is φ = 11163376.

The previous prime is 13973327. The next prime is 13973359. The reversal of 13973345 is 54337931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13973345 is a prime.

It is a Duffinian 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 in 7 ways as a sum of consecutive naturals, for example, 3494 + ... + 6336.

It is an arithmetic number, because the mean of its divisors is an integer number (2098872).

Almost surely, 2^13973345 is an apocalyptic number.

It is an amenable number.

13973345 is a deficient number, since it is larger than the sum of its proper divisors (2817631).

13973345 is an equidigital number, since it uses as much as digits as its factorization.

13973345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3831.

The product of its digits is 34020, while the sum is 35.

The square root of 13973345 is about 3738.0937655441. The cubic root of 13973345 is about 240.8611712838.

The spelling of 13973345 in words is "thirteen million, nine hundred seventy-three thousand, three hundred forty-five".