19500213 has 16 divisors (see below), whose sum is σ = 27481280. Its totient is φ = 12265344.

The previous prime is 19500211. The next prime is 19500233. The reversal of 19500213 is 31200591.

It is not a de Polignac number, because 19500213 - 2¹ = 19500211 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 19500213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19500211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17295 + ... + 18387.

It is an arithmetic number, because the mean of its divisors is an integer number (1717580).

Almost surely, 2^19500213 is an apocalyptic number.

It is an amenable number.

19500213 is a deficient number, since it is larger than the sum of its proper divisors (7981067).

19500213 is a wasteful number, since it uses less digits than its factorization.

19500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 19500213 is about 4415.9045505989. The cubic root of 19500213 is about 269.1616106216.

The spelling of 19500213 in words is "nineteen million, five hundred thousand, two hundred thirteen".