12040751 has 2 divisors, whose sum is σ = 12040752. Its totient is φ = 12040750.

The previous prime is 12040747. The next prime is 12040759. The reversal of 12040751 is 15704021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12040751 - 2² = 12040747 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12040759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6020375 + 6020376.

It is an arithmetic number, because the mean of its divisors is an integer number (6020376).

Almost surely, 2^12040751 is an apocalyptic number.

12040751 is a deficient number, since it is larger than the sum of its proper divisors (1).

12040751 is an equidigital number, since it uses as much as digits as its factorization.

12040751 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12040751 is about 3469.9785301929. The cubic root of 12040751 is about 229.2017126494.

Adding to 12040751 its reverse (15704021), we get a palindrome (27744772).

The spelling of 12040751 in words is "twelve million, forty thousand, seven hundred fifty-one".