12847930 has 8 divisors (see below), whose sum is σ = 23126292. Its totient is φ = 5139168.

The previous prime is 12847921. The next prime is 12847931. The reversal of 12847930 is 3974821.

It can be written as a sum of positive squares in 2 ways, for example, as 12510369 + 337561 = 3537^2 + 581^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12847931) 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, 642387 + ... + 642406.

Almost surely, 2^12847930 is an apocalyptic number.

12847930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12847930 is a deficient number, since it is larger than the sum of its proper divisors (10278362).

12847930 is a wasteful number, since it uses less digits than its factorization.

12847930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284800.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 12847930 is about 3584.4009262358. The cubic root of 12847930 is about 234.2130307309.

The spelling of 12847930 in words is "twelve million, eight hundred forty-seven thousand, nine hundred thirty".