12090417 has 8 divisors (see below), whose sum is σ = 17068896. Its totient is φ = 7586112.

The previous prime is 12090409. The next prime is 12090431. The reversal of 12090417 is 71409021.

12090417 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12090417 - 2³ = 12090409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12090487) 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, 118483 + ... + 118584.

It is an arithmetic number, because the mean of its divisors is an integer number (2133612).

Almost surely, 2^12090417 is an apocalyptic number.

12090417 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12090417 is a deficient number, since it is larger than the sum of its proper divisors (4978479).

12090417 is a wasteful number, since it uses less digits than its factorization.

12090417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237087.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 12090417 is about 3477.1276939451. The cubic root of 12090417 is about 229.5164193853.

Adding to 12090417 its reverse (71409021), we get a palindrome (83499438).

The spelling of 12090417 in words is "twelve million, ninety thousand, four hundred seventeen".