1315456 has 32 divisors (see below), whose sum is σ = 2692800. Its totient is φ = 639744.

The previous prime is 1315453. The next prime is 1315463. The reversal of 1315456 is 6545131.

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

It is a self number, because there is not a number n which added to its sum of digits gives 1315456.

It is not an unprimeable number, because it can be changed into a prime (1315451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5385 + ... + 5623.

It is an arithmetic number, because the mean of its divisors is an integer number (84150).

2^1315456 is an apocalyptic number.

1315456 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1315456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1346400).

1315456 is an abundant number, since it is smaller than the sum of its proper divisors (1377344).

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

1315456 is an equidigital number, since it uses as much as digits as its factorization.

1315456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 284 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 1315456 is about 1146.9333023328. The cubic root of 1315456 is about 109.5701127948.

It can be divided in two parts, 1315 and 456, that added together give a palindrome (1771).

The spelling of 1315456 in words is "one million, three hundred fifteen thousand, four hundred fifty-six".