12453983 has 4 divisors (see below), whose sum is σ = 12543720. Its totient is φ = 12364248.

The previous prime is 12453977. The next prime is 12454003. The reversal of 12453983 is 38935421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38935421 = 7 ⋅5562203.

It is a cyclic number.

It is not a de Polignac number, because 12453983 - 2⁴ = 12453967 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44660 + ... + 44937.

It is an arithmetic number, because the mean of its divisors is an integer number (3135930).

Almost surely, 2^12453983 is an apocalyptic number.

12453983 is a deficient number, since it is larger than the sum of its proper divisors (89737).

12453983 is an equidigital number, since it uses as much as digits as its factorization.

12453983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89736.

The product of its digits is 25920, while the sum is 35.

The square root of 12453983 is about 3529.0201189565. The cubic root of 12453983 is about 231.7943021690.

The spelling of 12453983 in words is "twelve million, four hundred fifty-three thousand, nine hundred eighty-three".