12279069 has 24 divisors (see below), whose sum is σ = 19977984. Its totient is φ = 7200000.

The previous prime is 12279061. The next prime is 12279089. The reversal of 12279069 is 96097221.

12279069 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12279069 - 2³ = 12279061 is a prime.

It is a super-2 number, since 2×12279069² = 301551071013522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12279061) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1069 + ... + 5069.

It is an arithmetic number, because the mean of its divisors is an integer number (832416).

Almost surely, 2^12279069 is an apocalyptic number.

It is an amenable number.

12279069 is a deficient number, since it is larger than the sum of its proper divisors (7698915).

12279069 is a wasteful number, since it uses less digits than its factorization.

12279069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4049 (or 4046 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 12279069 is about 3504.1502536278. The cubic root of 12279069 is about 230.7040117493.

It can be divided in two parts, 1227 and 9069, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 12279069 in words is "twelve million, two hundred seventy-nine thousand, sixty-nine".