12801983 has 2 divisors, whose sum is σ = 12801984. Its totient is φ = 12801982.

The previous prime is 12801967. The next prime is 12801989. The reversal of 12801983 is 38910821.

It is a strong prime.

It is an emirp because it is prime and its reverse (38910821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12801983 - 2⁴ = 12801967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12801989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6400991 + 6400992.

It is an arithmetic number, because the mean of its divisors is an integer number (6400992).

Almost surely, 2^12801983 is an apocalyptic number.

12801983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12801983 is an equidigital number, since it uses as much as digits as its factorization.

12801983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 12801983 is about 3577.9858859420. The cubic root of 12801983 is about 233.9334982816.

The spelling of 12801983 in words is "twelve million, eight hundred one thousand, nine hundred eighty-three".