1303939 has 24 divisors (see below), whose sum is σ = 1723680. Its totient is φ = 975744.

The previous prime is 1303933. The next prime is 1303961. The reversal of 1303939 is 9393031.

It is a happy number.

It is not a de Polignac number, because 1303939 - 2³ = 1303931 is a prime.

1303939 is a modest number, since divided by 3939 gives 130 as remainder.

It is not an unprimeable number, because it can be changed into a prime (1303931) 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 23 ways as a sum of consecutive naturals, for example, 14607 + ... + 14695.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1303939 is an apocalyptic number.

1303939 is a deficient number, since it is larger than the sum of its proper divisors (419741).

1303939 is a wasteful number, since it uses less digits than its factorization.

1303939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 2187, while the sum is 28.

The square root of 1303939 is about 1141.9014843672. The cubic root of 1303939 is about 109.2494078413.

The spelling of 1303939 in words is "one million, three hundred three thousand, nine hundred thirty-nine".