12212948 has 12 divisors (see below), whose sum is σ = 23315712. Its totient is φ = 5551320.

The previous prime is 12212939. The next prime is 12212951. The reversal of 12212948 is 84921221.

It is a self number, because there is not a number n which added to its sum of digits gives 12212948.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 138740 + ... + 138827.

It is an arithmetic number, because the mean of its divisors is an integer number (1942976).

Almost surely, 2^12212948 is an apocalyptic number.

It is an amenable number.

12212948 is a deficient number, since it is larger than the sum of its proper divisors (11102764).

12212948 is a wasteful number, since it uses less digits than its factorization.

12212948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277582 (or 277580 counting only the distinct ones).

The product of its digits is 2304, while the sum is 29.

The square root of 12212948 is about 3494.7028485981. The cubic root of 12212948 is about 230.2891637115.

The spelling of 12212948 in words is "twelve million, two hundred twelve thousand, nine hundred forty-eight".