87013213 has 8 divisors (see below), whose sum is σ = 100203840. Its totient is φ = 74012640.

The previous prime is 87013189. The next prime is 87013219. The reversal of 87013213 is 31231078.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 87013213 - 2²⁵ = 53458781 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 (87013219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46528 + ... + 48361.

It is an arithmetic number, because the mean of its divisors is an integer number (12525480).

Almost surely, 2^87013213 is an apocalyptic number.

It is an amenable number.

87013213 is a deficient number, since it is larger than the sum of its proper divisors (13190627).

87013213 is a wasteful number, since it uses less digits than its factorization.

87013213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95027.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 87013213 is about 9328.0873173443. The cubic root of 87013213 is about 443.1271930002.

The spelling of 87013213 in words is "eighty-seven million, thirteen thousand, two hundred thirteen".