12998855 has 8 divisors (see below), whose sum is σ = 15619392. Its totient is φ = 10385248.

The previous prime is 12998849. The next prime is 12998861. The reversal of 12998855 is 55889921.

12998855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12998849) and next prime (12998861).

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 12998855 - 2¹² = 12994759 is a prime.

It is a super-2 number, since 2×12998855² = 337940462622050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4337 + ... + 6693.

It is an arithmetic number, because the mean of its divisors is an integer number (1952424).

Almost surely, 2^12998855 is an apocalyptic number.

12998855 is a deficient number, since it is larger than the sum of its proper divisors (2620537).

12998855 is a wasteful number, since it uses less digits than its factorization.

12998855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3465.

The product of its digits is 259200, while the sum is 47.

The square root of 12998855 is about 3605.3924890364. The cubic root of 12998855 is about 235.1265652919.

The spelling of 12998855 in words is "twelve million, nine hundred ninety-eight thousand, eight hundred fifty-five".