12408669 has 48 divisors (see below), whose sum is σ = 22422400. Its totient is φ = 6438528.

The previous prime is 12408659. The next prime is 12408689. The reversal of 12408669 is 96680421.

It is not a de Polignac number, because 12408669 - 2¹¹ = 12406621 is a prime.

It is a super-2 number, since 2×12408669² = 307950132703122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12408619) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89202 + ... + 89340.

Almost surely, 2^12408669 is an apocalyptic number.

It is an amenable number.

12408669 is a deficient number, since it is larger than the sum of its proper divisors (10013731).

12408669 is a wasteful number, since it uses less digits than its factorization.

12408669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 12408669 is about 3522.5940725551. The cubic root of 12408669 is about 231.5128315235.

The spelling of 12408669 in words is "twelve million, four hundred eight thousand, six hundred sixty-nine".