12189735 has 48 divisors (see below), whose sum is σ = 22744800. Its totient is φ = 6020352.

The previous prime is 12189733. The next prime is 12189757. The reversal of 12189735 is 53798121.

It is not a de Polignac number, because 12189735 - 2¹ = 12189733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12189735.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12189733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45181 + ... + 45449.

It is an arithmetic number, because the mean of its divisors is an integer number (473850).

Almost surely, 2^12189735 is an apocalyptic number.

12189735 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12189735 is a deficient number, since it is larger than the sum of its proper divisors (10555065).

12189735 is a wasteful number, since it uses less digits than its factorization.

12189735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352 (or 349 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12189735 is about 3491.3800996168. The cubic root of 12189735 is about 230.1431685820.

The spelling of 12189735 in words is "twelve million, one hundred eighty-nine thousand, seven hundred thirty-five".