12898947 has 8 divisors (see below), whose sum is σ = 17406144. Its totient is φ = 8495528.

The previous prime is 12898933. The next prime is 12898979. The reversal of 12898947 is 74989821.

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

It is a cyclic number.

It is not a de Polignac number, because 12898947 - 2⁴ = 12898931 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12898896 and 12898905.

It is not an unprimeable number, because it can be changed into a prime (12898987) 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, 25653 + ... + 26150.

It is an arithmetic number, because the mean of its divisors is an integer number (2175768).

Almost surely, 2^12898947 is an apocalyptic number.

12898947 is a deficient number, since it is larger than the sum of its proper divisors (4507197).

12898947 is an equidigital number, since it uses as much as digits as its factorization.

12898947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51889.

The product of its digits is 290304, while the sum is 48.

The square root of 12898947 is about 3591.5104065003. The cubic root of 12898947 is about 234.5226283433.

The spelling of 12898947 in words is "twelve million, eight hundred ninety-eight thousand, nine hundred forty-seven".