8212741 has 4 divisors (see below), whose sum is σ = 8352000. Its totient is φ = 8073484.

The previous prime is 8212723. The next prime is 8212759. The reversal of 8212741 is 1472128.

It is a happy number.

8212741 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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.

It is an interprime number because it is at equal distance from previous prime (8212723) and next prime (8212759).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8212741 is a prime.

It is a super-2 number, since 2×8212741² = 134898229466162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69541 + ... + 69658.

It is an arithmetic number, because the mean of its divisors is an integer number (2088000).

Almost surely, 2^8212741 is an apocalyptic number.

It is an amenable number.

8212741 is a deficient number, since it is larger than the sum of its proper divisors (139259).

8212741 is a wasteful number, since it uses less digits than its factorization.

8212741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139258.

The product of its digits is 896, while the sum is 25.

The square root of 8212741 is about 2865.7880242614. The cubic root of 8212741 is about 201.7573549575.

Adding to 8212741 its reverse (1472128), we get a palindrome (9684869).

The spelling of 8212741 in words is "eight million, two hundred twelve thousand, seven hundred forty-one".