12209967 has 48 divisors (see below), whose sum is σ = 22982400. Its totient is φ = 6335280.

The previous prime is 12209959. The next prime is 12209969. The reversal of 12209967 is 76990221.

It is not a de Polignac number, because 12209967 - 2³ = 12209959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12209969) 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, 14134 + ... + 14972.

It is an arithmetic number, because the mean of its divisors is an integer number (478800).

Almost surely, 2^12209967 is an apocalyptic number.

12209967 is a deficient number, since it is larger than the sum of its proper divisors (10772433).

12209967 is a wasteful number, since it uses less digits than its factorization.

12209967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 860 counting only the distinct ones).

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

The square root of 12209967 is about 3494.2763199266. The cubic root of 12209967 is about 230.2704254604.

The spelling of 12209967 in words is "twelve million, two hundred nine thousand, nine hundred sixty-seven".