1293389 has 4 divisors (see below), whose sum is σ = 1309056. Its totient is φ = 1277724.

The previous prime is 1293373. The next prime is 1293401. The reversal of 1293389 is 9833921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9833921 = 563 ⋅17467.

It is a cyclic number.

It is not a de Polignac number, because 1293389 - 2⁴ = 1293373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7709 + ... + 7874.

It is an arithmetic number, because the mean of its divisors is an integer number (327264).

2^1293389 is an apocalyptic number.

It is an amenable number.

1293389 is a deficient number, since it is larger than the sum of its proper divisors (15667).

1293389 is an equidigital number, since it uses as much as digits as its factorization.

1293389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15666.

The product of its digits is 11664, while the sum is 35.

The square root of 1293389 is about 1137.2726146356. The cubic root of 1293389 is about 108.9539687239.

The spelling of 1293389 in words is "one million, two hundred ninety-three thousand, three hundred eighty-nine".