12722469 has 4 divisors (see below), whose sum is σ = 16963296. Its totient is φ = 8481644.

The previous prime is 12722459. The next prime is 12722497. The reversal of 12722469 is 96422721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12722469 - 2¹³ = 12714277 is a prime.

It is a super-2 number, since 2×12722469² = 323722434911922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12722459) 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, 2120409 + ... + 2120414.

It is an arithmetic number, because the mean of its divisors is an integer number (4240824).

Almost surely, 2^12722469 is an apocalyptic number.

It is an amenable number.

12722469 is a deficient number, since it is larger than the sum of its proper divisors (4240827).

12722469 is an equidigital number, since it uses as much as digits as its factorization.

12722469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240826.

The product of its digits is 12096, while the sum is 33.

The square root of 12722469 is about 3566.8570198425. The cubic root of 12722469 is about 233.4481663791.

It can be divided in two parts, 1272 and 2469, that added together give a triangular number (3741 = T₈₆).

The spelling of 12722469 in words is "twelve million, seven hundred twenty-two thousand, four hundred sixty-nine".