12169764 has 30 divisors (see below), whose sum is σ = 31815014. Its totient is φ = 4056480.

The previous prime is 12169727. The next prime is 12169819. The reversal of 12169764 is 46796121.

It can be written as a sum of positive squares in only one way, i.e., 7884864 + 4284900 = 2808^2 + 2070^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 18457 + ... + 19104.

Almost surely, 2^12169764 is an apocalyptic number.

It is an amenable number.

12169764 is an abundant number, since it is smaller than the sum of its proper divisors (19645250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12169764 is a wasteful number, since it uses less digits than its factorization.

12169764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37577 (or 37566 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 12169764 is about 3488.5188834232. The cubic root of 12169764 is about 230.0174151905.

The spelling of 12169764 in words is "twelve million, one hundred sixty-nine thousand, seven hundred sixty-four".