39213 has 6 divisors (see below), whose sum is σ = 56654. Its totient is φ = 26136.

The previous prime is 39209. The next prime is 39217. The reversal of 39213 is 31293.

39213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (39209) and next prime (39217).

It can be written as a sum of positive squares in only one way, i.e., 39204 + 9 = 198^2 + 3^2 .

It is not a de Polignac number, because 39213 - 2² = 39209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 8.

It is a nialpdrome in base 15.

It is a zygodrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2170 + ... + 2187.

2³⁹²¹³ is an apocalyptic number.

It is an amenable number.

39213 is a deficient number, since it is larger than the sum of its proper divisors (17441).

39213 is a wasteful number, since it uses less digits than its factorization.

39213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4363 (or 4360 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 39213 is about 198.0227259685. The cubic root of 39213 is about 33.9737398152.

It can be divided in two parts, 39 and 213, that added together give a palindrome (252).

The spelling of 39213 in words is "thirty-nine thousand, two hundred thirteen".