1350789 has 8 divisors (see below), whose sum is σ = 1964832. Its totient is φ = 818640.

The previous prime is 1350779. The next prime is 1350799. The reversal of 1350789 is 9870531.

It is an interprime number because it is at equal distance from previous prime (1350779) and next prime (1350799).

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

It is not a de Polignac number, because 1350789 - 2⁴ = 1350773 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 40933 = 1350789 / (1 + 3 + 5 + 0 + 7 + 8 + 9).

It is a Curzon number.

1350789 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1350709) 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, 20434 + ... + 20499.

It is an arithmetic number, because the mean of its divisors is an integer number (245604).

2^1350789 is an apocalyptic number.

It is an amenable number.

1350789 is a deficient number, since it is larger than the sum of its proper divisors (614043).

1350789 is a wasteful number, since it uses less digits than its factorization.

1350789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40947.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 1350789 is about 1162.2344858074. The cubic root of 1350789 is about 110.5424718834.

The spelling of 1350789 in words is "one million, three hundred fifty thousand, seven hundred eighty-nine".