12013164 has 48 divisors (see below), whose sum is σ = 31916640. Its totient is φ = 3905280.

The previous prime is 12013117. The next prime is 12013189. The reversal of 12013164 is 46131021.

It is a happy number.

It is a super-2 number, since 2×12013164² = 288632218581792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3072 + ... + 5784.

It is an arithmetic number, because the mean of its divisors is an integer number (664930).

Almost surely, 2^12013164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12013164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15958320).

12013164 is an abundant number, since it is smaller than the sum of its proper divisors (19903476).

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

12013164 is a wasteful number, since it uses less digits than its factorization.

12013164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767 (or 2759 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12013164 is about 3466.0011540679. The cubic root of 12013164 is about 229.0265346851.

Adding to 12013164 its reverse (46131021), we get a palindrome (58144185).

The spelling of 12013164 in words is "twelve million, thirteen thousand, one hundred sixty-four".