1239349 has 4 divisors (see below), whose sum is σ = 1279360. Its totient is φ = 1199340.

The previous prime is 1239347. The next prime is 1239353. The reversal of 1239349 is 9439321.

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.

It is a cyclic number.

It is not a de Polignac number, because 1239349 - 2¹ = 1239347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 39979 = 1239349 / (1 + 2 + 3 + 9 + 3 + 4 + 9).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1239349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1239341) 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 3 ways as a sum of consecutive naturals, for example, 19959 + ... + 20020.

It is an arithmetic number, because the mean of its divisors is an integer number (319840).

2^1239349 is an apocalyptic number.

It is an amenable number.

1239349 is a deficient number, since it is larger than the sum of its proper divisors (40011).

1239349 is an equidigital number, since it uses as much as digits as its factorization.

1239349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40010.

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

The square root of 1239349 is about 1113.2605265615. The cubic root of 1239349 is about 107.4149029090.

The spelling of 1239349 in words is "one million, two hundred thirty-nine thousand, three hundred forty-nine".