12898515 has 64 divisors (see below), whose sum is σ = 25344000. Its totient is φ = 5588352.

The previous prime is 12898489. The next prime is 12898517. The reversal of 12898515 is 51589821.

It is not a de Polignac number, because 12898515 - 2¹⁰ = 12897491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12898517) 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 63 ways as a sum of consecutive naturals, for example, 118281 + ... + 118389.

It is an arithmetic number, because the mean of its divisors is an integer number (396000).

Almost surely, 2^12898515 is an apocalyptic number.

12898515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12898515 is a deficient number, since it is larger than the sum of its proper divisors (12445485).

12898515 is a wasteful number, since it uses less digits than its factorization.

12898515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 147 counting only the distinct ones).

The product of its digits is 28800, while the sum is 39.

The square root of 12898515 is about 3591.4502641691. The cubic root of 12898515 is about 234.5200101734.

The spelling of 12898515 in words is "twelve million, eight hundred ninety-eight thousand, five hundred fifteen".