12722043 has 8 divisors (see below), whose sum is σ = 17421328. Its totient is φ = 8252064.

The previous prime is 12722041. The next prime is 12722053. The reversal of 12722043 is 34022721.

12722043 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12722043 - 2¹ = 12722041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12722041) 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, 57196 + ... + 57417.

It is an arithmetic number, because the mean of its divisors is an integer number (2177666).

Almost surely, 2^12722043 is an apocalyptic number.

12722043 is a deficient number, since it is larger than the sum of its proper divisors (4699285).

12722043 is a wasteful number, since it uses less digits than its factorization.

12722043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114653.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12722043 is about 3566.7973029035. The cubic root of 12722043 is about 233.4455607520.

Adding to 12722043 its reverse (34022721), we get a palindrome (46744764).

The spelling of 12722043 in words is "twelve million, seven hundred twenty-two thousand, forty-three".