12041664 has 56 divisors (see below), whose sum is σ = 32430720. Its totient is φ = 3942144.

The previous prime is 12041663. The next prime is 12041683. The reversal of 12041664 is 46614021.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12041663) 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, 10797 + ... + 11859.

It is an arithmetic number, because the mean of its divisors is an integer number (579120).

Almost surely, 2^12041664 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 12041664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16215360).

12041664 is an abundant number, since it is smaller than the sum of its proper divisors (20389056).

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

12041664 is a wasteful number, since it uses less digits than its factorization.

12041664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1137 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 12041664 is about 3470.1100847091. The cubic root of 12041664 is about 229.2075056401.

Adding to 12041664 its reverse (46614021), we get a palindrome (58655685).

The spelling of 12041664 in words is "twelve million, forty-one thousand, six hundred sixty-four".