12040965 has 24 divisors (see below), whose sum is σ = 21971040. Its totient is φ = 6083424.

The previous prime is 12040957. The next prime is 12040967. The reversal of 12040965 is 56904021.

It is not a de Polignac number, because 12040965 - 2³ = 12040957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040967) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6187 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (915460).

Almost surely, 2^12040965 is an apocalyptic number.

12040965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12040965 is a deficient number, since it is larger than the sum of its proper divisors (9930075).

12040965 is a wasteful number, since it uses less digits than its factorization.

12040965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14113 (or 14110 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 12040965 is about 3470.0093659816. The cubic root of 12040965 is about 229.2030705070.

Adding to 12040965 its reverse (56904021), we get a palindrome (68944986).

The spelling of 12040965 in words is "twelve million, forty thousand, nine hundred sixty-five".