12898887 has 8 divisors (see below), whose sum is σ = 17618160. Its totient is φ = 8389440.

The previous prime is 12898871. The next prime is 12898889. The reversal of 12898887 is 78889821.

It is a happy number.

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

It is not a de Polignac number, because 12898887 - 2⁴ = 12898871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898889) by changing a digit.

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, 52312 + ... + 52557.

It is an arithmetic number, because the mean of its divisors is an integer number (2202270).

Almost surely, 2^12898887 is an apocalyptic number.

12898887 is a deficient number, since it is larger than the sum of its proper divisors (4719273).

12898887 is a wasteful number, since it uses less digits than its factorization.

12898887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104913.

The product of its digits is 516096, while the sum is 51.

The square root of 12898887 is about 3591.5020534590. The cubic root of 12898887 is about 234.5222647121.

The spelling of 12898887 in words is "twelve million, eight hundred ninety-eight thousand, eight hundred eighty-seven".