12189754 has 16 divisors (see below), whose sum is σ = 19576800. Its totient is φ = 5675184.

The previous prime is 12189733. The next prime is 12189757. The reversal of 12189754 is 45798121.

It is not an unprimeable number, because it can be changed into a prime (12189757) 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, 477 + ... + 4960.

It is an arithmetic number, because the mean of its divisors is an integer number (1223550).

Almost surely, 2^12189754 is an apocalyptic number.

12189754 is a deficient number, since it is larger than the sum of its proper divisors (7387046).

12189754 is a wasteful number, since it uses less digits than its factorization.

12189754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5517.

The product of its digits is 20160, while the sum is 37.

The square root of 12189754 is about 3491.3828206027. The cubic root of 12189754 is about 230.1432881558.

The spelling of 12189754 in words is "twelve million, one hundred eighty-nine thousand, seven hundred fifty-four".