12665674 has 16 divisors (see below), whose sum is σ = 22070016. Its totient is φ = 5338800.

The previous prime is 12665671. The next prime is 12665677. The reversal of 12665674 is 47656621.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12665671) and next prime (12665677).

It is not an unprimeable number, because it can be changed into a prime (12665671) 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, 6562 + ... + 8269.

It is an arithmetic number, because the mean of its divisors is an integer number (1379376).

Almost surely, 2^12665674 is an apocalyptic number.

12665674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12665674 is a deficient number, since it is larger than the sum of its proper divisors (9404342).

12665674 is a wasteful number, since it uses less digits than its factorization.

12665674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14901.

The product of its digits is 60480, while the sum is 37.

The square root of 12665674 is about 3558.8866236507. The cubic root of 12665674 is about 233.1002656880.

The spelling of 12665674 in words is "twelve million, six hundred sixty-five thousand, six hundred seventy-four".