12187010 has 32 divisors (see below), whose sum is σ = 24976512. Its totient is φ = 4238080.

The previous prime is 12187009. The next prime is 12187013. The reversal of 12187010 is 1078121.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12187013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122 + ... + 4938.

It is an arithmetic number, because the mean of its divisors is an integer number (780516).

Almost surely, 2^12187010 is an apocalyptic number.

12187010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12187010 is an abundant number, since it is smaller than the sum of its proper divisors (12789502).

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

12187010 is a wasteful number, since it uses less digits than its factorization.

12187010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4858.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 12187010 is about 3490.9898309792. The cubic root of 12187010 is about 230.1260178982.

Subtracting from 12187010 its reverse (1078121), we obtain a square (11108889 = 3333²).

It can be divided in two parts, 1218 and 7010, that added together give a palindrome (8228).

The spelling of 12187010 in words is "twelve million, one hundred eighty-seven thousand, ten".