12000955 has 4 divisors (see below), whose sum is σ = 14401152. Its totient is φ = 9600760.

The previous prime is 12000931. The next prime is 12000959. The reversal of 12000955 is 55900021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55900021 = 353 ⋅158357.

It is not a de Polignac number, because 12000955 - 2¹⁷ = 11869883 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000959) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1200091 + ... + 1200100.

It is an arithmetic number, because the mean of its divisors is an integer number (3600288).

Almost surely, 2^12000955 is an apocalyptic number.

12000955 is a deficient number, since it is larger than the sum of its proper divisors (2400197).

12000955 is an equidigital number, since it uses as much as digits as its factorization.

12000955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2400196.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 12000955 is about 3464.2394547721. The cubic root of 12000955 is about 228.9489216946.

Adding to 12000955 its reverse (55900021), we get a palindrome (67900976).

The spelling of 12000955 in words is "twelve million, nine hundred fifty-five", and thus it is an aban number.