12040758 has 16 divisors (see below), whose sum is σ = 26757360. Its totient is φ = 4013568.

The previous prime is 12040751. The next prime is 12040759. The reversal of 12040758 is 85704021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040751) 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, 111435 + ... + 111542.

It is an arithmetic number, because the mean of its divisors is an integer number (1672335).

Almost surely, 2^12040758 is an apocalyptic number.

12040758 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12040758 is an abundant number, since it is smaller than the sum of its proper divisors (14716602).

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

12040758 is a wasteful number, since it uses less digits than its factorization.

12040758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222988 (or 222982 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12040758 is about 3469.9795388446. The cubic root of 12040758 is about 229.2017570656.

Adding to 12040758 its reverse (85704021), we get a palindrome (97744779).

The spelling of 12040758 in words is "twelve million, forty thousand, seven hundred fifty-eight".