1365500 has 24 divisors (see below), whose sum is σ = 2983344. Its totient is φ = 546000.

The previous prime is 1365499. The next prime is 1365503. The reversal of 1365500 is 55631.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1365503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 866 + ... + 1865.

It is an arithmetic number, because the mean of its divisors is an integer number (124306).

2^1365500 is an apocalyptic number.

1365500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1365500 is an abundant number, since it is smaller than the sum of its proper divisors (1617844).

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

1365500 is a wasteful number, since it uses less digits than its factorization.

1365500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2750 (or 2738 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The square root of 1365500 is about 1168.5461052094. The cubic root of 1365500 is about 110.9423177832.

The spelling of 1365500 in words is "one million, three hundred sixty-five thousand, five hundred".