1293493 has 2 divisors, whose sum is σ = 1293494. Its totient is φ = 1293492.

The previous prime is 1293491. The next prime is 1293499. The reversal of 1293493 is 3943921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1127844 + 165649 = 1062^2 + 407^2 .

It is an emirp because it is prime and its reverse (3943921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1293493 - 2¹ = 1293491 is a prime.

Together with 1293491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1293491) 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 as a sum of consecutive naturals, namely, 646746 + 646747.

It is an arithmetic number, because the mean of its divisors is an integer number (646747).

2^1293493 is an apocalyptic number.

It is an amenable number.

1293493 is a deficient number, since it is larger than the sum of its proper divisors (1).

1293493 is an equidigital number, since it uses as much as digits as its factorization.

1293493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 31.

The square root of 1293493 is about 1137.3183371422. The cubic root of 1293493 is about 108.9568889355.

The spelling of 1293493 in words is "one million, two hundred ninety-three thousand, four hundred ninety-three".