12700073 has 4 divisors (see below), whose sum is σ = 12757248. Its totient is φ = 12642900.

The previous prime is 12700069. The next prime is 12700081. The reversal of 12700073 is 37000721.

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 not a de Polignac number, because 12700073 - 2² = 12700069 is a prime.

It is a super-2 number, since 2×12700073² = 322583708410658, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12700063) 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 3 ways as a sum of consecutive naturals, for example, 28253 + ... + 28698.

It is an arithmetic number, because the mean of its divisors is an integer number (3189312).

Almost surely, 2^12700073 is an apocalyptic number.

It is an amenable number.

12700073 is a deficient number, since it is larger than the sum of its proper divisors (57175).

12700073 is an equidigital number, since it uses as much as digits as its factorization.

12700073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57174.

The product of its (nonzero) digits is 294, while the sum is 20.

The square root of 12700073 is about 3563.7161783734. The cubic root of 12700073 is about 233.3111024172.

Adding to 12700073 its reverse (37000721), we get a palindrome (49700794).

The spelling of 12700073 in words is "twelve million, seven hundred thousand, seventy-three".