12210087 has 16 divisors (see below), whose sum is σ = 17000928. Its totient is φ = 7787520.

The previous prime is 12210067. The next prime is 12210101. The reversal of 12210087 is 78001221.

12210087 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12210087 - 2⁷ = 12209959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5583 + ... + 7455.

It is an arithmetic number, because the mean of its divisors is an integer number (1062558).

Almost surely, 2^12210087 is an apocalyptic number.

12210087 is a deficient number, since it is larger than the sum of its proper divisors (4790841).

12210087 is a wasteful number, since it uses less digits than its factorization.

12210087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 12210087 is about 3494.2934908219. The cubic root of 12210087 is about 230.2711798267.

The spelling of 12210087 in words is "twelve million, two hundred ten thousand, eighty-seven".