12898165 has 16 divisors (see below), whose sum is σ = 17752320. Its totient is φ = 8812800.

The previous prime is 12898157. The next prime is 12898183. The reversal of 12898165 is 56189821.

It is not a de Polignac number, because 12898165 - 2³ = 12898157 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13576 + ... + 14494.

It is an arithmetic number, because the mean of its divisors is an integer number (1109520).

Almost surely, 2^12898165 is an apocalyptic number.

It is an amenable number.

12898165 is a deficient number, since it is larger than the sum of its proper divisors (4854155).

12898165 is an equidigital number, since it uses as much as digits as its factorization.

12898165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its digits is 34560, while the sum is 40.

The square root of 12898165 is about 3591.4015370047. The cubic root of 12898165 is about 234.5178889280.

It can be divided in two parts, 1289816 and 5, that added together give a palindrome (1289821).

The spelling of 12898165 in words is "twelve million, eight hundred ninety-eight thousand, one hundred sixty-five".