12087210 has 64 divisors (see below), whose sum is σ = 30772224. Its totient is φ = 3033600.

The previous prime is 12087209. The next prime is 12087247. The reversal of 12087210 is 1278021.

It is a super-2 number, since 2×12087210² = 292201291168200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37972 + ... + 38288.

It is an arithmetic number, because the mean of its divisors is an integer number (480816).

Almost surely, 2^12087210 is an apocalyptic number.

12087210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12087210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15386112).

12087210 is an abundant number, since it is smaller than the sum of its proper divisors (18685014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12087210 is a wasteful number, since it uses less digits than its factorization.

12087210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399.

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

The square root of 12087210 is about 3476.6665068712. Note that the first 3 decimals coincide. The cubic root of 12087210 is about 229.4961244071.

The spelling of 12087210 in words is "twelve million, eighty-seven thousand, two hundred ten".