1315712 has 32 divisors (see below), whose sum is σ = 2764200. Its totient is φ = 622080.

The previous prime is 1315711. The next prime is 1315723. The reversal of 1315712 is 2175131.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162 + ... + 2702.

2^1315712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1382100).

1315712 is an abundant number, since it is smaller than the sum of its proper divisors (1448488).

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

1315712 is an equidigital number, since it uses as much as digits as its factorization.

1315712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 562 counting only the distinct ones).

The product of its digits is 210, while the sum is 20.

The square root of 1315712 is about 1147.0448988597. The cubic root of 1315712 is about 109.5772201222.

The spelling of 1315712 in words is "one million, three hundred fifteen thousand, seven hundred twelve".