12013073 has 4 divisors (see below), whose sum is σ = 12645360. Its totient is φ = 11380788.

The previous prime is 12013069. The next prime is 12013081. The reversal of 12013073 is 37031021.

12013073 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, and also an emirpimes, since its reverse is a distinct semiprime: 37031021 = 761 ⋅48661.

It is a cyclic number.

It is not a de Polignac number, because 12013073 - 2² = 12013069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12013013) 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, 316115 + ... + 316152.

It is an arithmetic number, because the mean of its divisors is an integer number (3161340).

Almost surely, 2^12013073 is an apocalyptic number.

It is an amenable number.

12013073 is a deficient number, since it is larger than the sum of its proper divisors (632287).

12013073 is an equidigital number, since it uses as much as digits as its factorization.

12013073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632286.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 12013073 is about 3465.9880265229. The cubic root of 12013073 is about 229.0259563899.

Adding to 12013073 its reverse (37031021), we get a palindrome (49044094).

The spelling of 12013073 in words is "twelve million, thirteen thousand, seventy-three".