16021412 has 24 divisors (see below), whose sum is σ = 32387040. Its totient is φ = 6853760.

The previous prime is 16021399. The next prime is 16021417. The reversal of 16021412 is 21412061.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (16021417) 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, 9962 + ... + 11457.

It is an arithmetic number, because the mean of its divisors is an integer number (1349460).

Almost surely, 2^16021412 is an apocalyptic number.

It is an amenable number.

16021412 is an abundant number, since it is smaller than the sum of its proper divisors (16365628).

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

16021412 is a wasteful number, since it uses less digits than its factorization.

16021412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21451 (or 21449 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 16021412 is about 4002.6756051421. The cubic root of 16021412 is about 252.0965658301.

Adding to 16021412 its reverse (21412061), we get a palindrome (37433473).

The spelling of 16021412 in words is "sixteen million, twenty-one thousand, four hundred twelve".