12849505 has 8 divisors (see below), whose sum is σ = 15455232. Its totient is φ = 10255728.

The previous prime is 12849503. The next prime is 12849511. The reversal of 12849505 is 50594821.

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

It is a cyclic number.

It is not a de Polignac number, because 12849505 - 2¹ = 12849503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12849503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 417 + ... + 5086.

It is an arithmetic number, because the mean of its divisors is an integer number (1931904).

Almost surely, 2^12849505 is an apocalyptic number.

It is an amenable number.

12849505 is a deficient number, since it is larger than the sum of its proper divisors (2605727).

12849505 is an equidigital number, since it uses as much as digits as its factorization.

12849505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5975.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 12849505 is about 3584.6206214884. The cubic root of 12849505 is about 234.2226008964. Note that the first 3 decimals are identical.

The spelling of 12849505 in words is "twelve million, eight hundred forty-nine thousand, five hundred five".