1308560 has 40 divisors (see below), whose sum is σ = 3321216. Its totient is φ = 475520.

The previous prime is 1308557. The next prime is 1308563. The reversal of 1308560 is 658031.

It is an interprime number because it is at equal distance from previous prime (1308557) and next prime (1308563).

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1308563) 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, 137 + ... + 1623.

2^1308560 is an apocalyptic number.

1308560 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 1308560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1660608).

1308560 is an abundant number, since it is smaller than the sum of its proper divisors (2012656).

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

1308560 is a wasteful number, since it uses less digits than its factorization.

1308560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511 (or 1505 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1308560 is about 1143.9230743367. The cubic root of 1308560 is about 109.3783111923.

The spelling of 1308560 in words is "one million, three hundred eight thousand, five hundred sixty".