12040653 has 8 divisors (see below), whose sum is σ = 16074016. Its totient is φ = 8017200.

The previous prime is 12040649. The next prime is 12040681. The reversal of 12040653 is 35604021.

It is a happy number.

12040653 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12040653 - 2² = 12040649 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040253) 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, 1098 + ... + 5028.

It is an arithmetic number, because the mean of its divisors is an integer number (2009252).

Almost surely, 2^12040653 is an apocalyptic number.

It is an amenable number.

12040653 is a deficient number, since it is larger than the sum of its proper divisors (4033363).

12040653 is a wasteful number, since it uses less digits than its factorization.

12040653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 12040653 is about 3469.9644090394. The cubic root of 12040653 is about 229.2010908214.

Adding to 12040653 its reverse (35604021), we get a palindrome (47644674).

The spelling of 12040653 in words is "twelve million, forty thousand, six hundred fifty-three".