16439212 has 12 divisors (see below), whose sum is σ = 29048656. Its totient is φ = 8139600.

The previous prime is 16439209. The next prime is 16439231. The reversal of 16439212 is 21293461.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 19539 + ... + 20362.

Almost surely, 2^16439212 is an apocalyptic number.

It is an amenable number.

16439212 is a deficient number, since it is larger than the sum of its proper divisors (12609444).

16439212 is a wasteful number, since it uses less digits than its factorization.

16439212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40008 (or 40006 counting only the distinct ones).

The product of its digits is 2592, while the sum is 28.

The square root of 16439212 is about 4054.5298124443. The cubic root of 16439212 is about 254.2691465751.

The spelling of 16439212 in words is "sixteen million, four hundred thirty-nine thousand, two hundred twelve".