12978083 has 8 divisors (see below), whose sum is σ = 14031120. Its totient is φ = 11962080.

The previous prime is 12978079. The next prime is 12978113. The reversal of 12978083 is 38087921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12978083 - 2² = 12978079 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12978023) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 8528 + ... + 9933.

It is an arithmetic number, because the mean of its divisors is an integer number (1753890).

Almost surely, 2^12978083 is an apocalyptic number.

12978083 is a deficient number, since it is larger than the sum of its proper divisors (1053037).

12978083 is a wasteful number, since it uses less digits than its factorization.

12978083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18517.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12978083 is about 3602.5106523090. The cubic root of 12978083 is about 235.0012554633.

The spelling of 12978083 in words is "twelve million, nine hundred seventy-eight thousand, eighty-three".