12216962 has 12 divisors (see below), whose sum is σ = 19341846. Its totient is φ = 5786640.

The previous prime is 12216959. The next prime is 12216983. The reversal of 12216962 is 26961221.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9357481 + 2859481 = 3059^2 + 1691^2 .

It is a super-3 number, since 3×12216962³ (a number of 22 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7739 + ... + 9182.

Almost surely, 2^12216962 is an apocalyptic number.

12216962 is a deficient number, since it is larger than the sum of its proper divisors (7124884).

12216962 is a wasteful number, since it uses less digits than its factorization.

12216962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16961 (or 16942 counting only the distinct ones).

The product of its digits is 2592, while the sum is 29.

The square root of 12216962 is about 3495.2770991725. The cubic root of 12216962 is about 230.3143904750.

The spelling of 12216962 in words is "twelve million, two hundred sixteen thousand, nine hundred sixty-two".