1283319 has 6 divisors (see below), whose sum is σ = 1853696. Its totient is φ = 855540.

The previous prime is 1283297. The next prime is 1283323. The reversal of 1283319 is 9133821.

It is not a de Polignac number, because 1283319 - 2⁸ = 1283063 is a prime.

It is a super-2 number, since 2×1283319² = 3293815311522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1283292 and 1283301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283339) 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 5 ways as a sum of consecutive naturals, for example, 71287 + ... + 71304.

2^1283319 is an apocalyptic number.

1283319 is a deficient number, since it is larger than the sum of its proper divisors (570377).

1283319 is a wasteful number, since it uses less digits than its factorization.

1283319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142597 (or 142594 counting only the distinct ones).

The product of its digits is 1296, while the sum is 27.

The square root of 1283319 is about 1132.8367049138. The cubic root of 1283319 is about 108.6704690018.

The spelling of 1283319 in words is "one million, two hundred eighty-three thousand, three hundred nineteen".