16213072 has 20 divisors (see below), whose sum is σ = 31554900. Its totient is φ = 8069888.

The previous prime is 16213069. The next prime is 16213079. The reversal of 16213072 is 27031261.

16213072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1498176 + 14714896 = 1224^2 + 3836^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213079) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1554 + ... + 5902.

It is an arithmetic number, because the mean of its divisors is an integer number (1577745).

Almost surely, 2^16213072 is an apocalyptic number.

It is an amenable number.

16213072 is a deficient number, since it is larger than the sum of its proper divisors (15341828).

16213072 is a wasteful number, since it uses less digits than its factorization.

16213072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590 (or 4584 counting only the distinct ones).

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

The square root of 16213072 is about 4026.5459143042. The cubic root of 16213072 is about 253.0978390203.

The spelling of 16213072 in words is "sixteen million, two hundred thirteen thousand, seventy-two".