12187103 has 8 divisors (see below), whose sum is σ = 12566400. Its totient is φ = 11812248.

The previous prime is 12187073. The next prime is 12187117. The reversal of 12187103 is 30178121.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12187103 - 2¹² = 12183007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12187183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4958 + ... + 6996.

It is an arithmetic number, because the mean of its divisors is an integer number (1570800).

Almost surely, 2^12187103 is an apocalyptic number.

12187103 is a deficient number, since it is larger than the sum of its proper divisors (379297).

12187103 is a wasteful number, since it uses less digits than its factorization.

12187103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221.

The product of its (nonzero) digits is 336, while the sum is 23.

The square root of 12187103 is about 3491.0031509582. The cubic root of 12187103 is about 230.1266032664.

The spelling of 12187103 in words is "twelve million, one hundred eighty-seven thousand, one hundred three".