780213 has 16 divisors (see below), whose sum is σ = 1213056. Its totient is φ = 436800.

The previous prime is 780211. The next prime is 780223. The reversal of 780213 is 312087.

It is not a de Polignac number, because 780213 - 2¹ = 780211 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 780213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (780211) 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, 763 + ... + 1463.

It is an arithmetic number, because the mean of its divisors is an integer number (75816).

2⁷⁸⁰²¹³ is an apocalyptic number.

It is an amenable number.

780213 is a deficient number, since it is larger than the sum of its proper divisors (432843).

780213 is a wasteful number, since it uses less digits than its factorization.

780213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 780213 is about 883.2966659056. The cubic root of 780213 is about 92.0600191222.

The spelling of 780213 in words is "seven hundred eighty thousand, two hundred thirteen".