12169105 has 8 divisors (see below), whose sum is σ = 15726312. Its totient is φ = 8986368.

The previous prime is 12169103. The next prime is 12169111. The reversal of 12169105 is 50196121.

It can be written as a sum of positive squares in 4 ways, for example, as 690561 + 11478544 = 831^2 + 3388^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12169105 - 2¹ = 12169103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12169105.

It is not an unprimeable number, because it can be changed into a prime (12169103) 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, 93544 + ... + 93673.

It is an arithmetic number, because the mean of its divisors is an integer number (1965789).

Almost surely, 2^12169105 is an apocalyptic number.

It is an amenable number.

12169105 is a deficient number, since it is larger than the sum of its proper divisors (3557207).

12169105 is a wasteful number, since it uses less digits than its factorization.

12169105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187235.

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 12169105 is about 3488.4244294524. The cubic root of 12169105 is about 230.0132632553.

The spelling of 12169105 in words is "twelve million, one hundred sixty-nine thousand, one hundred five".