1315748 has 30 divisors (see below), whose sum is σ = 2705766. Its totient is φ = 559776.

The previous prime is 1315747. The next prime is 1315771. The reversal of 1315748 is 8475131.

It can be written as a sum of positive squares in only one way, i.e., 1162084 + 153664 = 1078^2 + 392^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1315748.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315747) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9536 + ... + 9672.

2^1315748 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 1315748, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1352883).

1315748 is an abundant number, since it is smaller than the sum of its proper divisors (1390018).

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

1315748 is an equidigital number, since it uses as much as digits as its factorization.

1315748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 146 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 1315748 is about 1147.0605912505. The cubic root of 1315748 is about 109.5782195162.

The spelling of 1315748 in words is "one million, three hundred fifteen thousand, seven hundred forty-eight".