1315488 has 48 divisors (see below), whose sum is σ = 3519936. Its totient is φ = 430080.

The previous prime is 1315487. The next prime is 1315493. The reversal of 1315488 is 8845131.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1315481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6720 + ... + 6912.

It is an arithmetic number, because the mean of its divisors is an integer number (73332).

2^1315488 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 1315488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1759968).

1315488 is an abundant number, since it is smaller than the sum of its proper divisors (2204448).

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

1315488 is a wasteful number, since it uses less digits than its factorization.

1315488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 269 counting only the distinct ones).

The product of its digits is 3840, while the sum is 30.

The square root of 1315488 is about 1146.9472524925. The cubic root of 1315488 is about 109.5710012612.

The spelling of 1315488 in words is "one million, three hundred fifteen thousand, four hundred eighty-eight".