16307212 has 6 divisors (see below), whose sum is σ = 28537628. Its totient is φ = 8153604.

The previous prime is 16307201. The next prime is 16307227. The reversal of 16307212 is 21270361.

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 as a sum of consecutive naturals, namely, 2038398 + ... + 2038405.

Almost surely, 2^16307212 is an apocalyptic number.

It is an amenable number.

16307212 is a deficient number, since it is larger than the sum of its proper divisors (12230416).

16307212 is a wasteful number, since it uses less digits than its factorization.

16307212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4076807 (or 4076805 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 16307212 is about 4038.2189143235. The cubic root of 16307212 is about 253.5867585559.

Adding to 16307212 its reverse (21270361), we get a palindrome (37577573).

The spelling of 16307212 in words is "sixteen million, three hundred seven thousand, two hundred twelve".