1312480 has 48 divisors (see below), whose sum is σ = 3344544. Its totient is φ = 483840.

The previous prime is 1312471. The next prime is 1312513. The reversal of 1312480 is 842131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765 + ... + 2395.

It is an arithmetic number, because the mean of its divisors is an integer number (69678).

2^1312480 is an apocalyptic number.

1312480 is a gapful number since it is divisible by the number (10) 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 1312480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1672272).

1312480 is an abundant number, since it is smaller than the sum of its proper divisors (2032064).

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

1312480 is a wasteful number, since it uses less digits than its factorization.

1312480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659 (or 651 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 1312480 is about 1145.6351949901. The cubic root of 1312480 is about 109.4874223650.

It can be divided in two parts, 1 and 312480, that added together give a square (312481 = 559²).

The spelling of 1312480 in words is "one million, three hundred twelve thousand, four hundred eighty".