1356500 has 24 divisors (see below), whose sum is σ = 2963688. Its totient is φ = 542400.

The previous prime is 1356499. The next prime is 1356503. The reversal of 1356500 is 56531.

It can be written as a sum of positive squares in 4 ways, for example, as 20164 + 1336336 = 142^2 + 1156^2 .

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 (1356503) 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, 857 + ... + 1856.

It is an arithmetic number, because the mean of its divisors is an integer number (123487).

2^1356500 is an apocalyptic number.

1356500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1356500 is an abundant number, since it is smaller than the sum of its proper divisors (1607188).

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

1356500 is a wasteful number, since it uses less digits than its factorization.

1356500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2732 (or 2720 counting only the distinct ones).

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

The square root of 1356500 is about 1164.6887996371. The cubic root of 1356500 is about 110.6980403298.

The spelling of 1356500 in words is "one million, three hundred fifty-six thousand, five hundred".