12847961 has 8 divisors (see below), whose sum is σ = 15321984. Its totient is φ = 10533600.

The previous prime is 12847943. The next prime is 12847993. The reversal of 12847961 is 16974821.

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

It is not a de Polignac number, because 12847961 - 2¹⁰ = 12846937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12847921) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39740 + ... + 40061.

It is an arithmetic number, because the mean of its divisors is an integer number (1915248).

Almost surely, 2^12847961 is an apocalyptic number.

It is an amenable number.

12847961 is a deficient number, since it is larger than the sum of its proper divisors (2474023).

12847961 is an equidigital number, since it uses as much as digits as its factorization.

12847961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79831.

The product of its digits is 24192, while the sum is 38.

The square root of 12847961 is about 3584.4052505262. The cubic root of 12847961 is about 234.2132191036.

The spelling of 12847961 in words is "twelve million, eight hundred forty-seven thousand, nine hundred sixty-one".