12990463 has 8 divisors (see below), whose sum is σ = 13572000. Its totient is φ = 12417888.

The previous prime is 12990451. The next prime is 12990473. The reversal of 12990463 is 36409921.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12990463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12990403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 813 + ... + 5161.

It is an arithmetic number, because the mean of its divisors is an integer number (1696500).

Almost surely, 2^12990463 is an apocalyptic number.

12990463 is a deficient number, since it is larger than the sum of its proper divisors (581537).

12990463 is a wasteful number, since it uses less digits than its factorization.

12990463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 12990463 is about 3604.2284888725. The cubic root of 12990463 is about 235.0759555289.

The spelling of 12990463 in words is "twelve million, nine hundred ninety thousand, four hundred sixty-three".