12662849 has 4 divisors (see below), whose sum is σ = 13071360. Its totient is φ = 12254340.

The previous prime is 12662833. The next prime is 12662861. The reversal of 12662849 is 94826621.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12662849 - 2⁴ = 12662833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12662869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204209 + ... + 204270.

It is an arithmetic number, because the mean of its divisors is an integer number (3267840).

Almost surely, 2^12662849 is an apocalyptic number.

It is an amenable number.

12662849 is a deficient number, since it is larger than the sum of its proper divisors (408511).

12662849 is an equidigital number, since it uses as much as digits as its factorization.

12662849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408510.

The product of its digits is 41472, while the sum is 38.

The square root of 12662849 is about 3558.4897077271. The cubic root of 12662849 is about 233.0829338766.

The spelling of 12662849 in words is "twelve million, six hundred sixty-two thousand, eight hundred forty-nine".