12102849 has 12 divisors (see below), whose sum is σ = 19071312. Its totient is φ = 7335000.

The previous prime is 12102841. The next prime is 12102851. The reversal of 12102849 is 94820121.

It is not a de Polignac number, because 12102849 - 2³ = 12102841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102841) 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 11 ways as a sum of consecutive naturals, for example, 61027 + ... + 61224.

It is an arithmetic number, because the mean of its divisors is an integer number (1589276).

Almost surely, 2^12102849 is an apocalyptic number.

It is an amenable number.

12102849 is a deficient number, since it is larger than the sum of its proper divisors (6968463).

12102849 is a wasteful number, since it uses less digits than its factorization.

12102849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122268 (or 122265 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 12102849 is about 3478.9149170395. The cubic root of 12102849 is about 229.5950593720.

The spelling of 12102849 in words is "twelve million, one hundred two thousand, eight hundred forty-nine".