8212134 has 16 divisors (see below), whose sum is σ = 18770688. Its totient is φ = 2346312.

The previous prime is 8212109. The next prime is 8212147. The reversal of 8212134 is 4312128.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8212134.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97722 + ... + 97805.

It is an arithmetic number, because the mean of its divisors is an integer number (1173168).

Almost surely, 2^8212134 is an apocalyptic number.

8212134 is an abundant number, since it is smaller than the sum of its proper divisors (10558554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8212134 is a wasteful number, since it uses less digits than its factorization.

8212134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195539.

The product of its digits is 384, while the sum is 21.

The square root of 8212134 is about 2865.6821177514. The cubic root of 8212134 is about 201.7523842365.

The spelling of 8212134 in words is "eight million, two hundred twelve thousand, one hundred thirty-four".