16812036 has 60 divisors (see below), whose sum is σ = 46280080. Its totient is φ = 5307120.

The previous prime is 16811999. The next prime is 16812043. The reversal of 16812036 is 63021861.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4791 + ... + 7521.

Almost surely, 2^16812036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 16812036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23140040).

16812036 is an abundant number, since it is smaller than the sum of its proper divisors (29468044).

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

16812036 is a wasteful number, since it uses less digits than its factorization.

16812036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2766 (or 2755 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 16812036 is about 4100.2482851652. The cubic root of 16812036 is about 256.1769812971.

Adding to 16812036 its reverse (63021861), we get a palindrome (79833897).

The spelling of 16812036 in words is "sixteen million, eight hundred twelve thousand, thirty-six".