12200987 has 4 divisors (see below), whose sum is σ = 12219336. Its totient is φ = 12182640.

The previous prime is 12200963. The next prime is 12200989. The reversal of 12200987 is 78900221.

It is a happy number.

12200987 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12200987 - 2¹⁶ = 12135451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12200989) 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, 8138 + ... + 9519.

It is an arithmetic number, because the mean of its divisors is an integer number (3054834).

Almost surely, 2^12200987 is an apocalyptic number.

12200987 is a deficient number, since it is larger than the sum of its proper divisors (18349).

12200987 is an equidigital number, since it uses as much as digits as its factorization.

12200987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18348.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 12200987 is about 3492.9911250961. The cubic root of 12200987 is about 230.2139596904.

The spelling of 12200987 in words is "twelve million, two hundred thousand, nine hundred eighty-seven".