12722023 has 4 divisors (see below), whose sum is σ = 13017928. Its totient is φ = 12426120.

The previous prime is 12722011. The next prime is 12722041. The reversal of 12722023 is 32022721.

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

It is a cyclic number.

It is not a de Polignac number, because 12722023 - 2¹⁷ = 12590951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147888 + ... + 147973.

It is an arithmetic number, because the mean of its divisors is an integer number (3254482).

Almost surely, 2^12722023 is an apocalyptic number.

12722023 is a deficient number, since it is larger than the sum of its proper divisors (295905).

12722023 is an equidigital number, since it uses as much as digits as its factorization.

12722023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295904.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12722023 is about 3566.7944992668. The cubic root of 12722023 is about 233.4454384207.

Adding to 12722023 its reverse (32022721), we get a palindrome (44744744).

The spelling of 12722023 in words is "twelve million, seven hundred twenty-two thousand, twenty-three".