12984506 has 4 divisors (see below), whose sum is σ = 19476762. Its totient is φ = 6492252.

The previous prime is 12984497. The next prime is 12984509. The reversal of 12984506 is 60548921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 4661281 = 2885^2 + 2159^2 .

It is a super-3 number, since 3×12984506³ (a number of 22 digits) contains 333 as substring.

It is a nialpdrome in base 12.

It is a zygodrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (12984509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246125 + ... + 3246128.

Almost surely, 2^12984506 is an apocalyptic number.

12984506 is a deficient number, since it is larger than the sum of its proper divisors (6492256).

12984506 is an equidigital number, since it uses as much as digits as its factorization.

12984506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6492255.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 12984506 is about 3603.4020036626. The cubic root of 12984506 is about 235.0400173289.

The spelling of 12984506 in words is "twelve million, nine hundred eighty-four thousand, five hundred six".