12849147 has 24 divisors (see below), whose sum is σ = 19079424. Its totient is φ = 8330544.

The previous prime is 12849139. The next prime is 12849163. The reversal of 12849147 is 74194821.

12849147 is a `hidden beast` number, since 128 + 491 + 47 = 666.

It is not a de Polignac number, because 12849147 - 2³ = 12849139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12849107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76858 + ... + 77024.

It is an arithmetic number, because the mean of its divisors is an integer number (794976).

Almost surely, 2^12849147 is an apocalyptic number.

12849147 is a deficient number, since it is larger than the sum of its proper divisors (6230277).

12849147 is a wasteful number, since it uses less digits than its factorization.

12849147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 356 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 12849147 is about 3584.5706855912. The cubic root of 12849147 is about 234.2204256513.

It can be divided in two parts, 12849 and 147, that added together give a square (12996 = 114²).

The spelling of 12849147 in words is "twelve million, eight hundred forty-nine thousand, one hundred forty-seven".