12451982 has 8 divisors (see below), whose sum is σ = 18698736. Its totient is φ = 6219072.

The previous prime is 12451963. The next prime is 12451997. The reversal of 12451982 is 28915421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803 + ... + 5054.

It is an arithmetic number, because the mean of its divisors is an integer number (2337342).

Almost surely, 2^12451982 is an apocalyptic number.

12451982 is a deficient number, since it is larger than the sum of its proper divisors (6246754).

12451982 is a wasteful number, since it uses less digits than its factorization.

12451982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6922.

The product of its digits is 5760, while the sum is 32.

The square root of 12451982 is about 3528.7366011081. The cubic root of 12451982 is about 231.7818872588.

The spelling of 12451982 in words is "twelve million, four hundred fifty-one thousand, nine hundred eighty-two".