12895512 has 64 divisors (see below), whose sum is σ = 37497600. Its totient is φ = 3619200.

The previous prime is 12895511. The next prime is 12895513. The reversal of 12895512 is 21559821.

It is an interprime number because it is at equal distance from previous prime (12895511) and next prime (12895513).

It is a super-3 number, since 3×12895512³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12895511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9262 + ... + 10562.

It is an arithmetic number, because the mean of its divisors is an integer number (585900).

Almost surely, 2^12895512 is an apocalyptic number.

12895512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12895512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18748800).

12895512 is an abundant number, since it is smaller than the sum of its proper divisors (24602088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12895512 is a wasteful number, since it uses less digits than its factorization.

12895512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376 (or 1372 counting only the distinct ones).

The product of its digits is 7200, while the sum is 33.

The square root of 12895512 is about 3591.0321635986. The cubic root of 12895512 is about 234.5018086400.

The spelling of 12895512 in words is "twelve million, eight hundred ninety-five thousand, five hundred twelve".