16407012 has 24 divisors (see below), whose sum is σ = 38348800. Its totient is φ = 5459616.

The previous prime is 16406993. The next prime is 16407019. The reversal of 16407012 is 21070461.

It is a self number, because there is not a number n which added to its sum of digits gives 16407012.

It is not an unprimeable number, because it can be changed into a prime (16407019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12189 + ... + 13467.

Almost surely, 2^16407012 is an apocalyptic number.

16407012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16407012 is an abundant number, since it is smaller than the sum of its proper divisors (21941788).

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

16407012 is a wasteful number, since it uses less digits than its factorization.

16407012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2355 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 16407012 is about 4050.5569987349. The cubic root of 16407012 is about 254.1030230807.

Adding to 16407012 its reverse (21070461), we get a palindrome (37477473).

The spelling of 16407012 in words is "sixteen million, four hundred seven thousand, twelve".