12286628 has 12 divisors (see below), whose sum is σ = 21743820. Its totient is φ = 6074112.

The previous prime is 12286613. The next prime is 12286643. The reversal of 12286628 is 82668221.

It is an interprime number because it is at equal distance from previous prime (12286613) and next prime (12286643).

It can be written as a sum of positive squares in 2 ways, for example, as 6801664 + 5484964 = 2608^2 + 2342^2 .

It is a super-3 number, since 3×12286628³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16901 + ... + 17612.

It is an arithmetic number, because the mean of its divisors is an integer number (1811985).

Almost surely, 2^12286628 is an apocalyptic number.

It is an amenable number.

12286628 is a deficient number, since it is larger than the sum of its proper divisors (9457192).

12286628 is a wasteful number, since it uses less digits than its factorization.

12286628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34606 (or 34604 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 12286628 is about 3505.2286658648. The cubic root of 12286628 is about 230.7513425336.

The spelling of 12286628 in words is "twelve million, two hundred eighty-six thousand, six hundred twenty-eight".