1228383 has 12 divisors (see below), whose sum is σ = 1911000. Its totient is φ = 755856.

The previous prime is 1228373. The next prime is 1228391. The reversal of 1228383 is 3838221.

It is not a de Polignac number, because 1228383 - 2⁵ = 1228351 is a prime.

1228383 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228303) 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, 5133 + ... + 5366.

It is an arithmetic number, because the mean of its divisors is an integer number (159250).

2^1228383 is an apocalyptic number.

1228383 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1228383 is a deficient number, since it is larger than the sum of its proper divisors (682617).

1228383 is a wasteful number, since it uses less digits than its factorization.

1228383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10518 (or 10515 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 1228383 is about 1108.3244109917. The cubic root of 1228383 is about 107.0971546033.

The spelling of 1228383 in words is "one million, two hundred twenty-eight thousand, three hundred eighty-three".