1283667 has 16 divisors (see below), whose sum is σ = 2134272. Its totient is φ = 666720.

The previous prime is 1283603. The next prime is 1283677. The reversal of 1283667 is 7663821.

It is not a de Polignac number, because 1283667 - 2⁶ = 1283603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (1283677) 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 15 ways as a sum of consecutive naturals, for example, 2548 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (133392).

2^1283667 is an apocalyptic number.

1283667 is a deficient number, since it is larger than the sum of its proper divisors (850605).

1283667 is a wasteful number, since it uses less digits than its factorization.

1283667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5578.

The product of its digits is 12096, while the sum is 33.

The square root of 1283667 is about 1132.9902912205. The cubic root of 1283667 is about 108.6802909051.

It can be divided in two parts, 12 and 83667, that multiplied together give a square (1004004 = 1002²).

The spelling of 1283667 in words is "one million, two hundred eighty-three thousand, six hundred sixty-seven".