12722411 has 4 divisors (see below), whose sum is σ = 13701072. Its totient is φ = 11743752.

The previous prime is 12722393. The next prime is 12722417. The reversal of 12722411 is 11422721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12722411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12722417) 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, 489311 + ... + 489336.

It is an arithmetic number, because the mean of its divisors is an integer number (3425268).

Almost surely, 2^12722411 is an apocalyptic number.

12722411 is a deficient number, since it is larger than the sum of its proper divisors (978661).

12722411 is an equidigital number, since it uses as much as digits as its factorization.

12722411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978660.

The product of its digits is 224, while the sum is 20.

The square root of 12722411 is about 3566.8488894261. The cubic root of 12722411 is about 233.4478116258.

The spelling of 12722411 in words is "twelve million, seven hundred twenty-two thousand, four hundred eleven".