12022887 has 4 divisors (see below), whose sum is σ = 16030520. Its totient is φ = 8015256.

The previous prime is 12022883. The next prime is 12022889. The reversal of 12022887 is 78822021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12022887 - 2² = 12022883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003812 + ... + 2003817.

It is an arithmetic number, because the mean of its divisors is an integer number (4007630).

Almost surely, 2^12022887 is an apocalyptic number.

12022887 is a deficient number, since it is larger than the sum of its proper divisors (4007633).

12022887 is an equidigital number, since it uses as much as digits as its factorization.

12022887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4007632.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 12022887 is about 3467.4034954127. The cubic root of 12022887 is about 229.0883064909.

The spelling of 12022887 in words is "twelve million, twenty-two thousand, eight hundred eighty-seven".