12188045 has 8 divisors (see below), whose sum is σ = 15261696. Its totient is φ = 9326416.

The previous prime is 12188027. The next prime is 12188069. The reversal of 12188045 is 54088121.

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 12188045 - 2¹² = 12183949 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12187999 and 12188017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52877 + ... + 53106.

It is an arithmetic number, because the mean of its divisors is an integer number (1907712).

Almost surely, 2^12188045 is an apocalyptic number.

It is an amenable number.

12188045 is a deficient number, since it is larger than the sum of its proper divisors (3073651).

12188045 is a wasteful number, since it uses less digits than its factorization.

12188045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106011.

The product of its (nonzero) digits is 2560, while the sum is 29.

The square root of 12188045 is about 3491.1380665909. The cubic root of 12188045 is about 230.1325323122.

The spelling of 12188045 in words is "twelve million, one hundred eighty-eight thousand, forty-five".