12980243 has 4 divisors (see below), whose sum is σ = 12992568. Its totient is φ = 12967920.

The previous prime is 12980221. The next prime is 12980263. The reversal of 12980243 is 34208921.

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

It is a cyclic number.

It is not a de Polignac number, because 12980243 - 2⁸ = 12979987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12980263) 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, 4418 + ... + 6743.

It is an arithmetic number, because the mean of its divisors is an integer number (3248142).

Almost surely, 2^12980243 is an apocalyptic number.

12980243 is a deficient number, since it is larger than the sum of its proper divisors (12325).

12980243 is a wasteful number, since it uses less digits than its factorization.

12980243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12324.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 12980243 is about 3602.8104307610. The cubic root of 12980243 is about 235.0142921744.

The spelling of 12980243 in words is "twelve million, nine hundred eighty thousand, two hundred forty-three".