12021294 has 16 divisors (see below), whose sum is σ = 24382080. Its totient is φ = 3950520.

The previous prime is 12021287. The next prime is 12021299. The reversal of 12021294 is 49212021.

It is a self number, because there is not a number n which added to its sum of digits gives 12021294.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021299) 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, 13684 + ... + 14535.

It is an arithmetic number, because the mean of its divisors is an integer number (1523880).

Almost surely, 2^12021294 is an apocalyptic number.

12021294 is an abundant number, since it is smaller than the sum of its proper divisors (12360786).

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

12021294 is a wasteful number, since it uses less digits than its factorization.

12021294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28295.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 12021294 is about 3467.1737770120. The cubic root of 12021294 is about 229.0781881837.

The spelling of 12021294 in words is "twelve million, twenty-one thousand, two hundred ninety-four".