12993611 has 8 divisors (see below), whose sum is σ = 13345200. Its totient is φ = 12644352.

The previous prime is 12993601. The next prime is 12993613. The reversal of 12993611 is 11639921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12993611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12993613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18971 + ... + 19643.

It is an arithmetic number, because the mean of its divisors is an integer number (1668150).

Almost surely, 2^12993611 is an apocalyptic number.

12993611 is a deficient number, since it is larger than the sum of its proper divisors (351589).

12993611 is an equidigital number, since it uses as much as digits as its factorization.

12993611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1165.

The product of its digits is 2916, while the sum is 32.

The square root of 12993611 is about 3604.6651716907. The cubic root of 12993611 is about 235.0949427746.

The spelling of 12993611 in words is "twelve million, nine hundred ninety-three thousand, six hundred eleven".