16674012 has 60 divisors (see below), whose sum is σ = 44457336. Its totient is φ = 5447520.

The previous prime is 16673999. The next prime is 16674017. The reversal of 16674012 is 21047661.

It is a super-2 number, since 2×16674012² = 556045352352288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16674017) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 16687 + ... + 17657.

Almost surely, 2^16674012 is an apocalyptic number.

16674012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16674012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22228668).

16674012 is an abundant number, since it is smaller than the sum of its proper divisors (27783324).

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

16674012 is a wasteful number, since it uses less digits than its factorization.

16674012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040 (or 1029 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 16674012 is about 4083.3824214736. The cubic root of 16674012 is about 255.4739972746.

The spelling of 16674012 in words is "sixteen million, six hundred seventy-four thousand, twelve".