1339706 has 4 divisors (see below), whose sum is σ = 2009562. Its totient is φ = 669852.

The previous prime is 1339693. The next prime is 1339711. The reversal of 1339706 is 6079331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6079331 = 853 ⋅7127.

It can be written as a sum of positive squares in only one way, i.e., 714025 + 625681 = 845^2 + 791^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334925 + ... + 334928.

2^1339706 is an apocalyptic number.

1339706 is a deficient number, since it is larger than the sum of its proper divisors (669856).

1339706 is an equidigital number, since it uses as much as digits as its factorization.

1339706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669855.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 1339706 is about 1157.4566946543. The cubic root of 1339706 is about 110.2393136873.

The spelling of 1339706 in words is "one million, three hundred thirty-nine thousand, seven hundred six".