1339023 has 12 divisors (see below), whose sum is σ = 2077080. Its totient is φ = 765072.

The previous prime is 1339003. The next prime is 1339027. The reversal of 1339023 is 3209331.

It is not a de Polignac number, because 1339023 - 2¹³ = 1330831 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1339027) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4408 + ... + 4701.

It is an arithmetic number, because the mean of its divisors is an integer number (173090).

2^1339023 is an apocalyptic number.

1339023 is a deficient number, since it is larger than the sum of its proper divisors (738057).

1339023 is an equidigital number, since it uses as much as digits as its factorization.

1339023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9126 (or 9119 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 1339023 is about 1157.1616136046. The cubic root of 1339023 is about 110.2205766784.

The spelling of 1339023 in words is "one million, three hundred thirty-nine thousand, twenty-three".