12290073 has 8 divisors (see below), whose sum is σ = 17099328. Its totient is φ = 7837104.

The previous prime is 12290071. The next prime is 12290123. The reversal of 12290073 is 37009221.

12290073 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12290073 - 2¹ = 12290071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12290071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88990 + ... + 89127.

It is an arithmetic number, because the mean of its divisors is an integer number (2137416).

Almost surely, 2^12290073 is an apocalyptic number.

It is an amenable number.

12290073 is a deficient number, since it is larger than the sum of its proper divisors (4809255).

12290073 is a wasteful number, since it uses less digits than its factorization.

12290073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178143.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 12290073 is about 3505.7200401629. The cubic root of 12290073 is about 230.7729070098.

Adding to 12290073 its reverse (37009221), we get a palindrome (49299294).

The spelling of 12290073 in words is "twelve million, two hundred ninety thousand, seventy-three".