13329073 has 4 divisors (see below), whose sum is σ = 13365760. Its totient is φ = 13292388.

The previous prime is 13329007. The next prime is 13329079. The reversal of 13329073 is 37092331.

13329073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13329073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13329079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17793 + ... + 18526.

It is an arithmetic number, because the mean of its divisors is an integer number (3341440).

Almost surely, 2^13329073 is an apocalyptic number.

It is an amenable number.

13329073 is a deficient number, since it is larger than the sum of its proper divisors (36687).

13329073 is an equidigital number, since it uses as much as digits as its factorization.

13329073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36686.

The product of its (nonzero) digits is 3402, while the sum is 28.

The square root of 13329073 is about 3650.9002999260. The cubic root of 13329073 is about 237.1009616904.

The spelling of 13329073 in words is "thirteen million, three hundred twenty-nine thousand, seventy-three".