16213532 has 24 divisors (see below), whose sum is σ = 29364720. Its totient is φ = 7827840.

The previous prime is 16213513. The next prime is 16213553. The reversal of 16213532 is 23531261.

It is a junction number, because it is equal to n+sod(n) for n = 16213498 and 16213507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17423 + ... + 18329.

It is an arithmetic number, because the mean of its divisors is an integer number (1223530).

Almost surely, 2^16213532 is an apocalyptic number.

It is an amenable number.

16213532 is a deficient number, since it is larger than the sum of its proper divisors (13151188).

16213532 is a wasteful number, since it uses less digits than its factorization.

16213532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061 (or 1059 counting only the distinct ones).

The product of its digits is 1080, while the sum is 23.

The square root of 16213532 is about 4026.6030348173. The cubic root of 16213532 is about 253.1002326425.

Adding to 16213532 its reverse (23531261), we get a palindrome (39744793).

The spelling of 16213532 in words is "sixteen million, two hundred thirteen thousand, five hundred thirty-two".