12898451 has 4 divisors (see below), whose sum is σ = 13141872. Its totient is φ = 12655032.

The previous prime is 12898441. The next prime is 12898453. The reversal of 12898451 is 15489821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12898451 - 2¹⁰ = 12897427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12898453) 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, 121631 + ... + 121736.

It is an arithmetic number, because the mean of its divisors is an integer number (3285468).

Almost surely, 2^12898451 is an apocalyptic number.

12898451 is a deficient number, since it is larger than the sum of its proper divisors (243421).

12898451 is an equidigital number, since it uses as much as digits as its factorization.

12898451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243420.

The product of its digits is 23040, while the sum is 38.

The square root of 12898451 is about 3591.4413541084. The cubic root of 12898451 is about 234.5196222914.

The spelling of 12898451 in words is "twelve million, eight hundred ninety-eight thousand, four hundred fifty-one".