13073973 has 8 divisors (see below), whose sum is σ = 19016736. Its totient is φ = 7923600.

The previous prime is 13073939. The next prime is 13073989. The reversal of 13073973 is 37937031.

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

It is not a de Polignac number, because 13073973 - 2⁸ = 13073717 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 396181 = 13073973 / (1 + 3 + 0 + 7 + 3 + 9 + 7 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13073903) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198058 + ... + 198123.

It is an arithmetic number, because the mean of its divisors is an integer number (2377092).

Almost surely, 2^13073973 is an apocalyptic number.

It is an amenable number.

13073973 is a deficient number, since it is larger than the sum of its proper divisors (5942763).

13073973 is a wasteful number, since it uses less digits than its factorization.

13073973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396195.

The product of its (nonzero) digits is 11907, while the sum is 33.

The square root of 13073973 is about 3615.7949333445. The cubic root of 13073973 is about 235.5786134111.

The spelling of 13073973 in words is "thirteen million, seventy-three thousand, nine hundred seventy-three".