12849745 has 8 divisors (see below), whose sum is σ = 15615360. Its totient is φ = 10149360.

The previous prime is 12849721. The next prime is 12849761. The reversal of 12849745 is 54794821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12849745 - 2⁵ = 12849713 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12849698 and 12849707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15871 + ... + 16660.

It is an arithmetic number, because the mean of its divisors is an integer number (1951920).

Almost surely, 2^12849745 is an apocalyptic number.

It is an amenable number.

12849745 is a deficient number, since it is larger than the sum of its proper divisors (2765615).

12849745 is an equidigital number, since it uses as much as digits as its factorization.

12849745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32615.

The product of its digits is 80640, while the sum is 40.

The square root of 12849745 is about 3584.6540976780. The cubic root of 12849745 is about 234.2240591387.

The spelling of 12849745 in words is "twelve million, eight hundred forty-nine thousand, seven hundred forty-five".