12664850 has 24 divisors (see below), whose sum is σ = 25699248. Its totient is φ = 4605200.

The previous prime is 12664829. The next prime is 12664871. The reversal of 12664850 is 5846621.

It is an interprime number because it is at equal distance from previous prime (12664829) and next prime (12664871).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10964 + ... + 12063.

It is an arithmetic number, because the mean of its divisors is an integer number (1070802).

Almost surely, 2^12664850 is an apocalyptic number.

12664850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12664850 is an abundant number, since it is smaller than the sum of its proper divisors (13034398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12664850 is a wasteful number, since it uses less digits than its factorization.

12664850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23050 (or 23045 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 12664850 is about 3558.7708552252. The cubic root of 12664850 is about 233.0952105869.

It can be divided in two parts, 1266 and 4850, that added together give a palindrome (6116).

The spelling of 12664850 in words is "twelve million, six hundred sixty-four thousand, eight hundred fifty".