12416993 has 4 divisors (see below), whose sum is σ = 12441348. Its totient is φ = 12392640.

The previous prime is 12416947. The next prime is 12417001. The reversal of 12416993 is 39961421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39961421 = 47 ⋅850243.

It can be written as a sum of positive squares in 2 ways, for example, as 7524049 + 4892944 = 2743^2 + 2212^2 .

It is a cyclic number.

It is not a de Polignac number, because 12416993 - 2⁸ = 12416737 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12416923) 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, 11396 + ... + 12437.

It is an arithmetic number, because the mean of its divisors is an integer number (3110337).

Almost surely, 2^12416993 is an apocalyptic number.

It is an amenable number.

12416993 is a deficient number, since it is larger than the sum of its proper divisors (24355).

12416993 is an equidigital number, since it uses as much as digits as its factorization.

12416993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24354.

The product of its digits is 11664, while the sum is 35.

The square root of 12416993 is about 3523.7753901178. The cubic root of 12416993 is about 231.5645878683.

The spelling of 12416993 in words is "twelve million, four hundred sixteen thousand, nine hundred ninety-three".