1359813 has 32 divisors (see below), whose sum is σ = 2370816. Its totient is φ = 672768.

The previous prime is 1359803. The next prime is 1359817. The reversal of 1359813 is 3189531.

It is a happy number.

It is not a de Polignac number, because 1359813 - 2¹³ = 1351621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1359817) 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 31 ways as a sum of consecutive naturals, for example, 4495 + ... + 4787.

It is an arithmetic number, because the mean of its divisors is an integer number (74088).

2^1359813 is an apocalyptic number.

1359813 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1359813 is a deficient number, since it is larger than the sum of its proper divisors (1011003).

1359813 is a wasteful number, since it uses less digits than its factorization.

1359813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333.

The product of its digits is 3240, while the sum is 30.

The square root of 1359813 is about 1166.1102006243. The cubic root of 1359813 is about 110.7880868823.

The spelling of 1359813 in words is "one million, three hundred fifty-nine thousand, eight hundred thirteen".