12998097 has 32 divisors (see below), whose sum is σ = 22265600. Its totient is φ = 7340544.

The previous prime is 12998093. The next prime is 12998099. The reversal of 12998097 is 79089921.

12998097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12998097 - 2² = 12998093 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12998093) 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, 17979 + ... + 18687.

It is an arithmetic number, because the mean of its divisors is an integer number (695800).

Almost surely, 2^12998097 is an apocalyptic number.

It is an amenable number.

12998097 is a deficient number, since it is larger than the sum of its proper divisors (9267503).

12998097 is an equidigital number, since it uses as much as digits as its factorization.

12998097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822 (or 816 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 45.

The square root of 12998097 is about 3605.2873671873. The cubic root of 12998097 is about 235.1219949047.

The spelling of 12998097 in words is "twelve million, nine hundred ninety-eight thousand, ninety-seven".