1345580 has 24 divisors (see below), whose sum is σ = 2975280. Its totient is φ = 509760.

The previous prime is 1345577. The next prime is 1345583. The reversal of 1345580 is 855431.

It is an interprime number because it is at equal distance from previous prime (1345577) and next prime (1345583).

It is not an unprimeable number, because it can be changed into a prime (1345583) by changing a digit.

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, 1391 + ... + 2150.

It is an arithmetic number, because the mean of its divisors is an integer number (123970).

2^1345580 is an apocalyptic number.

1345580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1345580 is an abundant number, since it is smaller than the sum of its proper divisors (1629700).

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

1345580 is a wasteful number, since it uses less digits than its factorization.

1345580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3569 (or 3567 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 1345580 is about 1159.9913792783. The cubic root of 1345580 is about 110.4001951617.

The spelling of 1345580 in words is "one million, three hundred forty-five thousand, five hundred eighty".