881213 has 4 divisors (see below), whose sum is σ = 902748. Its totient is φ = 859680.

The previous prime is 881207. The next prime is 881219. The reversal of 881213 is 312188.

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

It is an interprime number because it is at equal distance from previous prime (881207) and next prime (881219).

It can be written as a sum of positive squares in 2 ways, for example, as 58564 + 822649 = 242^2 + 907^2 .

It is a cyclic number.

It is not a de Polignac number, because 881213 - 2⁴ = 881197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (881219) 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, 10706 + ... + 10787.

It is an arithmetic number, because the mean of its divisors is an integer number (225687).

2⁸⁸¹²¹³ is an apocalyptic number.

It is an amenable number.

881213 is a deficient number, since it is larger than the sum of its proper divisors (21535).

881213 is a wasteful number, since it uses less digits than its factorization.

881213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21534.

The product of its digits is 384, while the sum is 23.

The square root of 881213 is about 938.7294604943. The cubic root of 881213 is about 95.8724071708.

The spelling of 881213 in words is "eight hundred eighty-one thousand, two hundred thirteen".