12830978 has 8 divisors (see below), whose sum is σ = 19517760. Its totient is φ = 6325060.

The previous prime is 12830959. The next prime is 12830999. The reversal of 12830978 is 87903821.

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45038 + ... + 45321.

It is an arithmetic number, because the mean of its divisors is an integer number (2439720).

Almost surely, 2^12830978 is an apocalyptic number.

12830978 is a deficient number, since it is larger than the sum of its proper divisors (6686782).

12830978 is an equidigital number, since it uses as much as digits as its factorization.

12830978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90432.

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

The square root of 12830978 is about 3582.0354548776. The cubic root of 12830978 is about 234.1099758212.

The spelling of 12830978 in words is "twelve million, eight hundred thirty thousand, nine hundred seventy-eight".