787213 has 4 divisors (see below), whose sum is σ = 899680. Its totient is φ = 674748.

The previous prime is 787207. The next prime is 787217. The reversal of 787213 is 312787.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 312787 = 479 ⋅653.

It is a cyclic number.

It is not a de Polignac number, because 787213 - 2⁵ = 787181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (787217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56223 + ... + 56236.

It is an arithmetic number, because the mean of its divisors is an integer number (224920).

2⁷⁸⁷²¹³ is an apocalyptic number.

It is an amenable number.

787213 is a deficient number, since it is larger than the sum of its proper divisors (112467).

787213 is a wasteful number, since it uses less digits than its factorization.

787213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112466.

The product of its digits is 2352, while the sum is 28.

The square root of 787213 is about 887.2502465483. The cubic root of 787213 is about 92.3345178623.

It can be divided in two parts, 787 and 213, that added together give a cube (1000 = 10³).

The spelling of 787213 in words is "seven hundred eighty-seven thousand, two hundred thirteen".