12998215 has 8 divisors (see below), whose sum is σ = 15786288. Its totient is φ = 10272960.

The previous prime is 12998171. The next prime is 12998221. The reversal of 12998215 is 51289921.

12998215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 12998215 - 2⁷ = 12998087 is a prime.

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, 15246 + ... + 16075.

It is an arithmetic number, because the mean of its divisors is an integer number (1973286).

Almost surely, 2^12998215 is an apocalyptic number.

12998215 is a deficient number, since it is larger than the sum of its proper divisors (2788073).

12998215 is an equidigital number, since it uses as much as digits as its factorization.

12998215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31409.

The product of its digits is 12960, while the sum is 37.

The square root of 12998215 is about 3605.3037320037. The cubic root of 12998215 is about 235.1227064015.

The spelling of 12998215 in words is "twelve million, nine hundred ninety-eight thousand, two hundred fifteen".