16213347 has 12 divisors (see below), whose sum is σ = 23750064. Its totient is φ = 10656240.

The previous prime is 16213331. The next prime is 16213381. The reversal of 16213347 is 74331261.

16213347 is a `hidden beast` number, since 1 + 621 + 3 + 34 + 7 = 666.

It is not a de Polignac number, because 16213347 - 2⁴ = 16213331 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16213347.

It is not an unprimeable number, because it can be changed into a prime (16213147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12048 + ... + 13325.

It is an arithmetic number, because the mean of its divisors is an integer number (1979172).

Almost surely, 2^16213347 is an apocalyptic number.

16213347 is a deficient number, since it is larger than the sum of its proper divisors (7536717).

16213347 is a wasteful number, since it uses less digits than its factorization.

16213347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25450 (or 25447 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 16213347 is about 4026.5800625345. The cubic root of 16213347 is about 253.0992699955.

The spelling of 16213347 in words is "sixteen million, two hundred thirteen thousand, three hundred forty-seven".