712116 has 36 divisors (see below), whose sum is σ = 1825824. Its totient is φ = 234000.

The previous prime is 712109. The next prime is 712121. The reversal of 712116 is 611217.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

712116 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4641 + ... + 4791.

2⁷¹²¹¹⁶ is an apocalyptic number.

It is an amenable number.

712116 is an abundant number, since it is smaller than the sum of its proper divisors (1113708).

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

712116 is a wasteful number, since it uses less digits than its factorization.

712116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292 (or 287 counting only the distinct ones).

The product of its digits is 84, while the sum is 18.

The square root of 712116 is about 843.8696581819. The cubic root of 712116 is about 89.2997509970.

It can be divided in two parts, 71211 and 6, that added together give a palindrome (71217).

The spelling of 712116 in words is "seven hundred twelve thousand, one hundred sixteen".