12090016 has 24 divisors (see below), whose sum is σ = 24161760. Its totient is φ = 5953728.

The previous prime is 12090011. The next prime is 12090053. The reversal of 12090016 is 61009021.

It is a junction number, because it is equal to n+sod(n) for n = 12089975 and 12090002.

It is not an unprimeable number, because it can be changed into a prime (12090011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 676 + ... + 4963.

It is an arithmetic number, because the mean of its divisors is an integer number (1006740).

Almost surely, 2^12090016 is an apocalyptic number.

12090016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12090016 is a deficient number, since it is larger than the sum of its proper divisors (12071744).

12090016 is an equidigital number, since it uses as much as digits as its factorization.

12090016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5716 (or 5708 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 12090016 is about 3477.0700309312. The cubic root of 12090016 is about 229.5138819183.

Adding to 12090016 its reverse (61009021), we get a palindrome (73099037).

The spelling of 12090016 in words is "twelve million, ninety thousand, sixteen".