71012 has 12 divisors (see below), whose sum is σ = 127596. Its totient is φ = 34560.

The previous prime is 71011. The next prime is 71023. The reversal of 71012 is 21017.

It can be written as a sum of positive squares in 2 ways, for example, as 5476 + 65536 = 74^2 + 256^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70984 and 71002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 380.

It is an arithmetic number, because the mean of its divisors is an integer number (10633).

2⁷¹⁰¹² is an apocalyptic number.

It is an amenable number.

71012 is a deficient number, since it is larger than the sum of its proper divisors (56584).

71012 is a wasteful number, since it uses less digits than its factorization.

71012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478 (or 476 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 11.

The square root of 71012 is about 266.4807685369. The cubic root of 71012 is about 41.4105102179.

Adding to 71012 its reverse (21017), we get a palindrome (92029).

The spelling of 71012 in words is "seventy-one thousand, twelve", and thus it is an iban number.