12898849 has 4 divisors (see below), whose sum is σ = 12913920. Its totient is φ = 12883780.

The previous prime is 12898817. The next prime is 12898861. The reversal of 12898849 is 94889821.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94889821 = 13 ⋅7299217.

It is a cyclic number.

It is not a de Polignac number, because 12898849 - 2⁵ = 12898817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12898889) 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, 6169 + ... + 7990.

It is an arithmetic number, because the mean of its divisors is an integer number (3228480).

Almost surely, 2^12898849 is an apocalyptic number.

It is an amenable number.

12898849 is a deficient number, since it is larger than the sum of its proper divisors (15071).

12898849 is an equidigital number, since it uses as much as digits as its factorization.

12898849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15070.

The product of its digits is 331776, while the sum is 49.

The square root of 12898849 is about 3591.4967631894. The cubic root of 12898849 is about 234.5220344117.

The spelling of 12898849 in words is "twelve million, eight hundred ninety-eight thousand, eight hundred forty-nine".