1239342 has 16 divisors (see below), whose sum is σ = 2669520. Its totient is φ = 381312.

The previous prime is 1239341. The next prime is 1239347. The reversal of 1239342 is 2439321.

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 7 ways as a sum of consecutive naturals, for example, 7867 + ... + 8022.

It is an arithmetic number, because the mean of its divisors is an integer number (166845).

2^1239342 is an apocalyptic number.

1239342 is an abundant number, since it is smaller than the sum of its proper divisors (1430178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1239342 is a wasteful number, since it uses less digits than its factorization.

1239342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15907.

The product of its digits is 1296, while the sum is 24.

The square root of 1239342 is about 1113.2573826389. The cubic root of 1239342 is about 107.4147006777.

The spelling of 1239342 in words is "one million, two hundred thirty-nine thousand, three hundred forty-two".