16408712 has 16 divisors (see below), whose sum is σ = 30869340. Its totient is φ = 8176896.

The previous prime is 16408709. The next prime is 16408727. The reversal of 16408712 is 21780461.

It can be written as a sum of positive squares in 2 ways, for example, as 13498276 + 2910436 = 3674^2 + 1706^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773 + ... + 5780.

Almost surely, 2^16408712 is an apocalyptic number.

It is an amenable number.

16408712 is a deficient number, since it is larger than the sum of its proper divisors (14460628).

16408712 is a wasteful number, since it uses less digits than its factorization.

16408712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6872 (or 6868 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 16408712 is about 4050.7668409821. The cubic root of 16408712 is about 254.1117990077. Note that the first 3 decimals are identical.

The spelling of 16408712 in words is "sixteen million, four hundred eight thousand, seven hundred twelve".