12213948 has 24 divisors (see below), whose sum is σ = 28844928. Its totient is φ = 4021936.

The previous prime is 12213947. The next prime is 12213991. The reversal of 12213948 is 84931221.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5136 + ... + 7127.

It is an arithmetic number, because the mean of its divisors is an integer number (1201872).

Almost surely, 2^12213948 is an apocalyptic number.

It is an amenable number.

12213948 is an abundant number, since it is smaller than the sum of its proper divisors (16630980).

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

12213948 is a wasteful number, since it uses less digits than its factorization.

12213948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353 (or 12351 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 12213948 is about 3494.8459193504. The cubic root of 12213948 is about 230.2954489229.

The spelling of 12213948 in words is "twelve million, two hundred thirteen thousand, nine hundred forty-eight".