12513982 has 8 divisors (see below), whose sum is σ = 20214936. Its totient is φ = 5775672.

The previous prime is 12513973. The next prime is 12513983. The reversal of 12513982 is 28931521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12513983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240628 + ... + 240679.

It is an arithmetic number, because the mean of its divisors is an integer number (2526867).

Almost surely, 2^12513982 is an apocalyptic number.

12513982 is a deficient number, since it is larger than the sum of its proper divisors (7700954).

12513982 is a wasteful number, since it uses less digits than its factorization.

12513982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481322.

The product of its digits is 4320, while the sum is 31.

The square root of 12513982 is about 3537.5107066976. The cubic root of 12513982 is about 232.1659410305.

The spelling of 12513982 in words is "twelve million, five hundred thirteen thousand, nine hundred eighty-two".