12982099 has 4 divisors (see below), whose sum is σ = 13980736. Its totient is φ = 11983464.

The previous prime is 12982091. The next prime is 12982139. The reversal of 12982099 is 99028921.

12982099 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99028921 = 857 ⋅115553.

It is a cyclic number.

It is not a de Polignac number, because 12982099 - 2³ = 12982091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12982091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 499299 + ... + 499324.

It is an arithmetic number, because the mean of its divisors is an integer number (3495184).

Almost surely, 2^12982099 is an apocalyptic number.

12982099 is a deficient number, since it is larger than the sum of its proper divisors (998637).

12982099 is an equidigital number, since it uses as much as digits as its factorization.

12982099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998636.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 12982099 is about 3603.0679982482. The cubic root of 12982099 is about 235.0254929338.

It can be divided in two parts, 129 and 82099, that added together give a palindrome (82228).

The spelling of 12982099 in words is "twelve million, nine hundred eighty-two thousand, ninety-nine".