12983478 has 16 divisors (see below), whose sum is σ = 27494640. Its totient is φ = 4073216.

The previous prime is 12983471. The next prime is 12983483. The reversal of 12983478 is 87438921.

12983478 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12983471) 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, 63543 + ... + 63746.

It is an arithmetic number, because the mean of its divisors is an integer number (1718415).

Almost surely, 2^12983478 is an apocalyptic number.

12983478 is an abundant number, since it is smaller than the sum of its proper divisors (14511162).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12983478 is a wasteful number, since it uses less digits than its factorization.

12983478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127311.

The product of its digits is 96768, while the sum is 42.

The square root of 12983478 is about 3603.2593578592. The cubic root of 12983478 is about 235.0338143586.

The spelling of 12983478 in words is "twelve million, nine hundred eighty-three thousand, four hundred seventy-eight".