12210772 has 24 divisors (see below), whose sum is σ = 24615360. Its totient is φ = 5191680.

The previous prime is 12210739. The next prime is 12210773. The reversal of 12210772 is 27701221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210773) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2004 + ... + 5332.

It is an arithmetic number, because the mean of its divisors is an integer number (1025640).

Almost surely, 2^12210772 is an apocalyptic number.

It is an amenable number.

12210772 is an abundant number, since it is smaller than the sum of its proper divisors (12404588).

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

12210772 is a wasteful number, since it uses less digits than its factorization.

12210772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471 (or 3469 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 12210772 is about 3494.3915063999. The cubic root of 12210772 is about 230.2754859060.

Adding to 12210772 its reverse (27701221), we get a palindrome (39911993).

The spelling of 12210772 in words is "twelve million, two hundred ten thousand, seven hundred seventy-two".