12440983 has 2 divisors, whose sum is σ = 12440984. Its totient is φ = 12440982.

The previous prime is 12440977. The next prime is 12440993. The reversal of 12440983 is 38904421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12440983 - 2⁹ = 12440471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12440993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6220491 + 6220492.

It is an arithmetic number, because the mean of its divisors is an integer number (6220492).

Almost surely, 2^12440983 is an apocalyptic number.

12440983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12440983 is an equidigital number, since it uses as much as digits as its factorization.

12440983 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12440983 is about 3527.1777669973. The cubic root of 12440983 is about 231.7136218218.

The spelling of 12440983 in words is "twelve million, four hundred forty thousand, nine hundred eighty-three".