16907812 has 12 divisors (see below), whose sum is σ = 30609180. Its totient is φ = 8162336.

The previous prime is 16907789. The next prime is 16907857. The reversal of 16907812 is 21870961.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13003236 + 3904576 = 3606^2 + 1976^2 .

It is an alternating number because its digits alternate between odd and even.

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 3 ways as a sum of consecutive naturals, for example, 72763 + ... + 72994.

It is an arithmetic number, because the mean of its divisors is an integer number (2550765).

Almost surely, 2^16907812 is an apocalyptic number.

It is an amenable number.

16907812 is a deficient number, since it is larger than the sum of its proper divisors (13701368).

16907812 is a wasteful number, since it uses less digits than its factorization.

16907812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145790 (or 145788 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 16907812 is about 4111.9109912546. The cubic root of 16907812 is about 256.6625294961.

The spelling of 16907812 in words is "sixteen million, nine hundred seven thousand, eight hundred twelve".