12040365 has 32 divisors (see below), whose sum is σ = 20217600. Its totient is φ = 6110720.

The previous prime is 12040361. The next prime is 12040367. The reversal of 12040365 is 56304021.

It is a happy number.

It is not a de Polignac number, because 12040365 - 2² = 12040361 is a prime.

It is a zygodrome in base 6.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 38560 + ... + 38870.

It is an arithmetic number, because the mean of its divisors is an integer number (631800).

Almost surely, 2^12040365 is an apocalyptic number.

12040365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12040365 is a deficient number, since it is larger than the sum of its proper divisors (8177235).

12040365 is a wasteful number, since it uses less digits than its factorization.

12040365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437.

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

The square root of 12040365 is about 3469.9229098065. The cubic root of 12040365 is about 229.1992633889.

Adding to 12040365 its reverse (56304021), we get a palindrome (68344386).

The spelling of 12040365 in words is "twelve million, forty thousand, three hundred sixty-five".