12187046 has 8 divisors (see below), whose sum is σ = 18297144. Its totient is φ = 6088000.

The previous prime is 12187013. The next prime is 12187051. The reversal of 12187046 is 64078121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12187046² = 297048180412232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1046 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (2287143).

Almost surely, 2^12187046 is an apocalyptic number.

12187046 is a deficient number, since it is larger than the sum of its proper divisors (6110098).

12187046 is a wasteful number, since it uses less digits than its factorization.

12187046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5526.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 12187046 is about 3490.9949871061. The cubic root of 12187046 is about 230.1262444927.

The spelling of 12187046 in words is "twelve million, one hundred eighty-seven thousand, forty-six".