12166674 has 32 divisors (see below), whose sum is σ = 26404224. Its totient is φ = 3715200.

The previous prime is 12166667. The next prime is 12166681. The reversal of 12166674 is 47666121.

It is an interprime number because it is at equal distance from previous prime (12166667) and next prime (12166681).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11262 + ... + 12294.

It is an arithmetic number, because the mean of its divisors is an integer number (825132).

Almost surely, 2^12166674 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12166674, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13202112).

12166674 is an abundant number, since it is smaller than the sum of its proper divisors (14237550).

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

12166674 is a wasteful number, since it uses less digits than its factorization.

12166674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1202.

The product of its digits is 12096, while the sum is 33.

The square root of 12166674 is about 3488.0759739432. The cubic root of 12166674 is about 229.9979457914.

It can be divided in two parts, 121 and 66674, that added together give a triangular number (66795 = T₃₆₅).

The spelling of 12166674 in words is "twelve million, one hundred sixty-six thousand, six hundred seventy-four".