1293385 has 4 divisors (see below), whose sum is σ = 1552068. Its totient is φ = 1034704.

The previous prime is 1293373. The next prime is 1293401. The reversal of 1293385 is 5833921.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 751689 + 541696 = 867^2 + 736^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1293385 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 129334 + ... + 129343.

It is an arithmetic number, because the mean of its divisors is an integer number (388017).

2^1293385 is an apocalyptic number.

It is an amenable number.

1293385 is a deficient number, since it is larger than the sum of its proper divisors (258683).

1293385 is an equidigital number, since it uses as much as digits as its factorization.

1293385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258682.

The product of its digits is 6480, while the sum is 31.

The square root of 1293385 is about 1137.2708560409. The cubic root of 1293385 is about 108.9538564049.

The spelling of 1293385 in words is "one million, two hundred ninety-three thousand, three hundred eighty-five".