12143048 has 8 divisors (see below), whose sum is σ = 22768230. Its totient is φ = 6071520.

The previous prime is 12143023. The next prime is 12143063. The reversal of 12143048 is 84034121.

It can be written as a sum of positive squares in only one way, i.e., 11710084 + 432964 = 3422^2 + 658^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×12143048² = 294907229460608, which contains 22 as substring.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 758933 + ... + 758948.

Almost surely, 2^12143048 is an apocalyptic number.

It is an amenable number.

12143048 is a deficient number, since it is larger than the sum of its proper divisors (10625182).

12143048 is a wasteful number, since it uses less digits than its factorization.

12143048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1517887 (or 1517883 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 12143048 is about 3484.6876474083. The cubic root of 12143048 is about 229.8489745775.

Adding to 12143048 its reverse (84034121), we get a palindrome (96177169).

The spelling of 12143048 in words is "twelve million, one hundred forty-three thousand, forty-eight".