12162609 has 16 divisors (see below), whose sum is σ = 18459840. Its totient is φ = 7909920.

The previous prime is 12162589. The next prime is 12162611. The reversal of 12162609 is 90626121.

12162609 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 12162609 - 2⁷ = 12162481 is a prime.

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

It is a Curzon number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (12162649) 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, 4387 + ... + 6600.

It is an arithmetic number, because the mean of its divisors is an integer number (1153740).

Almost surely, 2^12162609 is an apocalyptic number.

It is an amenable number.

12162609 is a deficient number, since it is larger than the sum of its proper divisors (6297231).

12162609 is a wasteful number, since it uses less digits than its factorization.

12162609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11037 (or 11031 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12162609 is about 3487.4932257999. The cubic root of 12162609 is about 229.9723281138.

The spelling of 12162609 in words is "twelve million, one hundred sixty-two thousand, six hundred nine".