16213007 has 4 divisors (see below), whose sum is σ = 16478856. Its totient is φ = 15947160.

The previous prime is 16212983. The next prime is 16213013. The reversal of 16213007 is 70031261.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 16213007 - 2¹² = 16208911 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 16213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16213027) 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, 132833 + ... + 132954.

It is an arithmetic number, because the mean of its divisors is an integer number (4119714).

Almost surely, 2^16213007 is an apocalyptic number.

16213007 is a deficient number, since it is larger than the sum of its proper divisors (265849).

16213007 is an equidigital number, since it uses as much as digits as its factorization.

16213007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265848.

The product of its (nonzero) digits is 252, while the sum is 20.

The square root of 16213007 is about 4026.5378428620. The cubic root of 16213007 is about 253.0975007875.

Adding to 16213007 its reverse (70031261), we get a palindrome (86244268).

The spelling of 16213007 in words is "sixteen million, two hundred thirteen thousand, seven".