12212964 has 24 divisors (see below), whose sum is σ = 31663520. Its totient is φ = 4070952.

The previous prime is 12212951. The next prime is 12212971. The reversal of 12212964 is 46921221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56434 + ... + 56649.

Almost surely, 2^12212964 is an apocalyptic number.

It is an amenable number.

12212964 is an abundant number, since it is smaller than the sum of its proper divisors (19450556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212964 is a wasteful number, since it uses less digits than its factorization.

12212964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113096 (or 113088 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 12212964 is about 3494.7051377763. The cubic root of 12212964 is about 230.2892642776.

The spelling of 12212964 in words is "twelve million, two hundred twelve thousand, nine hundred sixty-four".