12461983 has 4 divisors (see below), whose sum is σ = 12482008. Its totient is φ = 12441960.

The previous prime is 12461971. The next prime is 12461987. The reversal of 12461983 is 38916421.

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 12461983 - 2²¹ = 10364831 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 (12461987) 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, 9048 + ... + 10333.

It is an arithmetic number, because the mean of its divisors is an integer number (3120502).

Almost surely, 2^12461983 is an apocalyptic number.

12461983 is a deficient number, since it is larger than the sum of its proper divisors (20025).

12461983 is an equidigital number, since it uses as much as digits as its factorization.

12461983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20024.

The product of its digits is 10368, while the sum is 34.

The square root of 12461983 is about 3530.1533961005. The cubic root of 12461983 is about 231.8439237105.

The spelling of 12461983 in words is "twelve million, four hundred sixty-one thousand, nine hundred eighty-three".