12849525 has 72 divisors (see below), whose sum is σ = 25998336. Its totient is φ = 6019200.

The previous prime is 12849517. The next prime is 12849527. The reversal of 12849525 is 52594821.

12849525 is a `hidden beast` number, since 128 + 4 + 9 + 525 = 666.

It is not a de Polignac number, because 12849525 - 2³ = 12849517 is a prime.

It is a super-2 number, since 2×12849525² = 330220585451250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12849525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849527) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 67180 + ... + 67370.

It is an arithmetic number, because the mean of its divisors is an integer number (361088).

Almost surely, 2^12849525 is an apocalyptic number.

12849525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12849525 is an abundant number, since it is smaller than the sum of its proper divisors (13148811).

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

12849525 is a wasteful number, since it uses less digits than its factorization.

12849525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243 (or 235 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 12849525 is about 3584.6234111828. The cubic root of 12849525 is about 234.2227224173. Note that the first 3 decimals are identical.

The spelling of 12849525 in words is "twelve million, eight hundred forty-nine thousand, five hundred twenty-five".