12026287 has 8 divisors (see below), whose sum is σ = 14801696. Its totient is φ = 9515232.

The previous prime is 12026269. The next prime is 12026291. The reversal of 12026287 is 78262021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12026287 - 2⁷ = 12026159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12026257) 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, 65988 + ... + 66169.

It is an arithmetic number, because the mean of its divisors is an integer number (1850212).

Almost surely, 2^12026287 is an apocalyptic number.

12026287 is a deficient number, since it is larger than the sum of its proper divisors (2775409).

12026287 is a wasteful number, since it uses less digits than its factorization.

12026287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132177.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 12026287 is about 3467.8937411634. The cubic root of 12026287 is about 229.1098993864.

The spelling of 12026287 in words is "twelve million, twenty-six thousand, two hundred eighty-seven".