1365580 has 12 divisors (see below), whose sum is σ = 2867760. Its totient is φ = 546224.

The previous prime is 1365577. The next prime is 1365583. The reversal of 1365580 is 855631.

It is an interprime number because it is at equal distance from previous prime (1365577) and next prime (1365583).

It is not an unprimeable number, because it can be changed into a prime (1365583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34120 + ... + 34159.

It is an arithmetic number, because the mean of its divisors is an integer number (238980).

2^1365580 is an apocalyptic number.

1365580 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365580 is an abundant number, since it is smaller than the sum of its proper divisors (1502180).

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

1365580 is a wasteful number, since it uses less digits than its factorization.

1365580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68288 (or 68286 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1365580 is about 1168.5803352787. The cubic root of 1365580 is about 110.9444843186.

The spelling of 1365580 in words is "one million, three hundred sixty-five thousand, five hundred eighty".