12578982 has 64 divisors (see below), whose sum is σ = 28788480. Its totient is φ = 3636864.

The previous prime is 12578959. The next prime is 12578983. The reversal of 12578982 is 28987521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12578983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151513 + ... + 151595.

It is an arithmetic number, because the mean of its divisors is an integer number (449820).

Almost surely, 2^12578982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12578982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14394240).

12578982 is an abundant number, since it is smaller than the sum of its proper divisors (16209498).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12578982 is a wasteful number, since it uses less digits than its factorization.

12578982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197.

The product of its digits is 80640, while the sum is 42.

The square root of 12578982 is about 3546.6860588442. The cubic root of 12578982 is about 232.5672183955.

The spelling of 12578982 in words is "twelve million, five hundred seventy-eight thousand, nine hundred eighty-two".