12162644 has 24 divisors (see below), whose sum is σ = 23270688. Its totient is φ = 5528160.

The previous prime is 12162611. The next prime is 12162649. The reversal of 12162644 is 44626121.

12162644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a nialpdrome in base 16.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1739 + ... + 5229.

It is an arithmetic number, because the mean of its divisors is an integer number (969612).

Almost surely, 2^12162644 is an apocalyptic number.

It is an amenable number.

12162644 is a deficient number, since it is larger than the sum of its proper divisors (11108044).

12162644 is a wasteful number, since it uses less digits than its factorization.

12162644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3575 (or 3573 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12162644 is about 3487.4982437272. The cubic root of 12162644 is about 229.9725487086.

Adding to 12162644 its reverse (44626121), we get a palindrome (56788765).

The spelling of 12162644 in words is "twelve million, one hundred sixty-two thousand, six hundred forty-four".