12061089 has 16 divisors (see below), whose sum is σ = 17922240. Its totient is φ = 8016480.

The previous prime is 12061087. The next prime is 12061099. The reversal of 12061089 is 98016021.

It is not a de Polignac number, because 12061089 - 2¹ = 12061087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (12061081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15469 + ... + 16229.

It is an arithmetic number, because the mean of its divisors is an integer number (1120140).

Almost surely, 2^12061089 is an apocalyptic number.

It is an amenable number.

12061089 is a deficient number, since it is larger than the sum of its proper divisors (5861151).

12061089 is an equidigital number, since it uses as much as digits as its factorization.

12061089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1357 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 12061089 is about 3472.9078594169. The cubic root of 12061089 is about 229.3306880573.

The spelling of 12061089 in words is "twelve million, sixty-one thousand, eighty-nine".