12898855 has 8 divisors (see below), whose sum is σ = 15500592. Its totient is φ = 10304448.

The previous prime is 12898817. The next prime is 12898861. The reversal of 12898855 is 55889821.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12898855 is a prime.

It is a super-2 number, since 2×12898855² = 332760920622050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3412 + ... + 6118.

It is an arithmetic number, because the mean of its divisors is an integer number (1937574).

Almost surely, 2^12898855 is an apocalyptic number.

12898855 is a deficient number, since it is larger than the sum of its proper divisors (2601737).

12898855 is an equidigital number, since it uses as much as digits as its factorization.

12898855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665.

The product of its digits is 230400, while the sum is 46.

The square root of 12898855 is about 3591.4975984956. The cubic root of 12898855 is about 234.5220707750.

The spelling of 12898855 in words is "twelve million, eight hundred ninety-eight thousand, eight hundred fifty-five".