12290982 has 16 divisors (see below), whose sum is σ = 26816832. Its totient is φ = 3724520.

The previous prime is 12290981. The next prime is 12290987. The reversal of 12290982 is 28909221.

It is a happy number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12290981) 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, 93048 + ... + 93179.

It is an arithmetic number, because the mean of its divisors is an integer number (1676052).

Almost surely, 2^12290982 is an apocalyptic number.

12290982 is an abundant number, since it is smaller than the sum of its proper divisors (14525850).

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

12290982 is a wasteful number, since it uses less digits than its factorization.

12290982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186243.

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 12290982 is about 3505.8496830298. The cubic root of 12290982 is about 230.7785963549.

The spelling of 12290982 in words is "twelve million, two hundred ninety thousand, nine hundred eighty-two".