12090771 has 48 divisors (see below), whose sum is σ = 22164480. Its totient is φ = 6168960.

The previous prime is 12090763. The next prime is 12090787. The reversal of 12090771 is 17709021.

12090771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12090771 - 2³ = 12090763 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12090671) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50470 + ... + 50708.

It is an arithmetic number, because the mean of its divisors is an integer number (461760).

Almost surely, 2^12090771 is an apocalyptic number.

12090771 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12090771 is a deficient number, since it is larger than the sum of its proper divisors (10073709).

12090771 is a wasteful number, since it uses less digits than its factorization.

12090771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 882, while the sum is 27.

The square root of 12090771 is about 3477.1785976564. The cubic root of 12090771 is about 229.5186593968.

Adding to 12090771 its reverse (17709021), we get a palindrome (29799792).

The spelling of 12090771 in words is "twelve million, ninety thousand, seven hundred seventy-one".