12000945 has 16 divisors (see below), whose sum is σ = 20947392. Its totient is φ = 5818560.

The previous prime is 12000931. The next prime is 12000959. The reversal of 12000945 is 54900021.

It is an interprime number because it is at equal distance from previous prime (12000931) and next prime (12000959).

It is not a de Polignac number, because 12000945 - 2⁶ = 12000881 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36202 + ... + 36531.

It is an arithmetic number, because the mean of its divisors is an integer number (1309212).

Almost surely, 2^12000945 is an apocalyptic number.

12000945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12000945 is a deficient number, since it is larger than the sum of its proper divisors (8946447).

12000945 is a wasteful number, since it uses less digits than its factorization.

12000945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72752.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12000945 is about 3464.2380114536. The cubic root of 12000945 is about 228.9488581027.

Adding to 12000945 its reverse (54900021), we get a palindrome (66900966).

The spelling of 12000945 in words is "twelve million, nine hundred forty-five", and thus it is an aban number.