1303969 has 4 divisors (see below), whose sum is σ = 1306260. Its totient is φ = 1301680.

The previous prime is 1303963. The next prime is 1303979. The reversal of 1303969 is 9693031.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1134225 + 169744 = 1065^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303969 - 2³ = 1303961 is a prime.

It is a super-2 number, since 2×1303969² = 3400670305922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1303969.

It is not an unprimeable number, because it can be changed into a prime (1303961) 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 3 ways as a sum of consecutive naturals, for example, 447 + ... + 1675.

It is an arithmetic number, because the mean of its divisors is an integer number (326565).

2^1303969 is an apocalyptic number.

It is an amenable number.

1303969 is a deficient number, since it is larger than the sum of its proper divisors (2291).

1303969 is a wasteful number, since it uses less digits than its factorization.

1303969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 1303969 is about 1141.9146202760. The cubic root of 1303969 is about 109.2502456763.

The spelling of 1303969 in words is "one million, three hundred three thousand, nine hundred sixty-nine".