12189935 has 16 divisors (see below), whose sum is σ = 15748992. Its totient is φ = 9024000.

The previous prime is 12189929. The next prime is 12189949. The reversal of 12189935 is 53998121.

12189935 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12189935 - 2⁶ = 12189871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4010 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (984312).

Almost surely, 2^12189935 is an apocalyptic number.

12189935 is a deficient number, since it is larger than the sum of its proper divisors (3559057).

12189935 is a wasteful number, since it uses less digits than its factorization.

12189935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2434.

The product of its digits is 19440, while the sum is 38.

The square root of 12189935 is about 3491.4087414681. The cubic root of 12189935 is about 230.1444272471.

The spelling of 12189935 in words is "twelve million, one hundred eighty-nine thousand, nine hundred thirty-five".