1339005 has 32 divisors (see below), whose sum is σ = 2332800. Its totient is φ = 653312.

The previous prime is 1339003. The next prime is 1339027. The reversal of 1339005 is 5009331.

It is a cyclic number.

It is not a de Polignac number, because 1339005 - 2¹ = 1339003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339001) 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 in 31 ways as a sum of consecutive naturals, for example, 15001 + ... + 15089.

It is an arithmetic number, because the mean of its divisors is an integer number (72900).

2^1339005 is an apocalyptic number.

1339005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1339005 is a deficient number, since it is larger than the sum of its proper divisors (993795).

1339005 is a wasteful number, since it uses less digits than its factorization.

1339005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173.

The product of its (nonzero) digits is 405, while the sum is 21.

The square root of 1339005 is about 1157.1538359268. The cubic root of 1339005 is about 110.2200827911.

The spelling of 1339005 in words is "one million, three hundred thirty-nine thousand, five".