1303669 has 2 divisors, whose sum is σ = 1303670. Its totient is φ = 1303668.

The previous prime is 1303667. The next prime is 1303693. The reversal of 1303669 is 9663031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 925444 + 378225 = 962^2 + 615^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303669 - 2¹ = 1303667 is a prime.

It is a super-2 number, since 2×1303669² = 3399105723122, which contains 22 as substring.

Together with 1303667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651834 + 651835.

It is an arithmetic number, because the mean of its divisors is an integer number (651835).

2^1303669 is an apocalyptic number.

It is an amenable number.

1303669 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303669 is an equidigital number, since it uses as much as digits as its factorization.

1303669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 1303669 is about 1141.7832543876. The cubic root of 1303669 is about 109.2418667482.

The spelling of 1303669 in words is "one million, three hundred three thousand, six hundred sixty-nine".