16213452 has 12 divisors (see below), whose sum is σ = 37831416. Its totient is φ = 5404480.

The previous prime is 16213433. The next prime is 16213481. The reversal of 16213452 is 25431261.

It is a tau number, because it is divible by the number of its divisors (12).

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, 675549 + ... + 675572.

It is an arithmetic number, because the mean of its divisors is an integer number (3152618).

Almost surely, 2^16213452 is an apocalyptic number.

16213452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

16213452 is an abundant number, since it is smaller than the sum of its proper divisors (21617964).

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

16213452 is a wasteful number, since it uses less digits than its factorization.

16213452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1351128 (or 1351126 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 16213452 is about 4026.5931008732. The cubic root of 16213452 is about 253.0998163636.

The spelling of 16213452 in words is "sixteen million, two hundred thirteen thousand, four hundred fifty-two".