12000146 has 4 divisors (see below), whose sum is σ = 18000222. Its totient is φ = 6000072.

The previous prime is 12000133. The next prime is 12000239. The reversal of 12000146 is 64100021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8059921 + 3940225 = 2839^2 + 1985^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12000146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000035 + ... + 3000038.

Almost surely, 2^12000146 is an apocalyptic number.

12000146 is a deficient number, since it is larger than the sum of its proper divisors (6000076).

12000146 is an equidigital number, since it uses as much as digits as its factorization.

12000146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000075.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 12000146 is about 3464.1226883585. The cubic root of 12000146 is about 228.9437769973.

Adding to 12000146 its reverse (64100021), we get a palindrome (76100167).

The spelling of 12000146 in words is "twelve million, one hundred forty-six", and thus it is an aban number.