16812396 has 36 divisors (see below), whose sum is σ = 42751800. Its totient is φ = 5570688.

The previous prime is 16812361. The next prime is 16812403. The reversal of 16812396 is 69321861.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 16812396.

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, 5140 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (1187550).

Almost surely, 2^16812396 is an apocalyptic number.

It is an amenable number.

16812396 is an abundant number, since it is smaller than the sum of its proper divisors (25939404).

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

16812396 is a wasteful number, since it uses less digits than its factorization.

16812396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2798 (or 2793 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 16812396 is about 4100.2921847107. The cubic root of 16812396 is about 256.1788098097.

The spelling of 16812396 in words is "sixteen million, eight hundred twelve thousand, three hundred ninety-six".