1350813 has 8 divisors (see below), whose sum is σ = 1879488. Its totient is φ = 861344.

The previous prime is 1350809. The next prime is 1350823. The reversal of 1350813 is 3180531.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1350813 - 2² = 1350809 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1350813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9720 + ... + 9857.

It is an arithmetic number, because the mean of its divisors is an integer number (234936).

2^1350813 is an apocalyptic number.

It is an amenable number.

1350813 is a deficient number, since it is larger than the sum of its proper divisors (528675).

1350813 is a wasteful number, since it uses less digits than its factorization.

1350813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19603.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1350813 is about 1162.2448107004. The cubic root of 1350813 is about 110.5431265634.

The spelling of 1350813 in words is "one million, three hundred fifty thousand, eight hundred thirteen".