1283479 has 2 divisors, whose sum is σ = 1283480. Its totient is φ = 1283478.

The previous prime is 1283473. The next prime is 1283509. The reversal of 1283479 is 9743821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1283479 - 2¹¹ = 1281431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1283473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641739 + 641740.

It is an arithmetic number, because the mean of its divisors is an integer number (641740).

2^1283479 is an apocalyptic number.

1283479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283479 is an equidigital number, since it uses as much as digits as its factorization.

1283479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 1283479 is about 1132.9073218935. The cubic root of 1283479 is about 108.6749850399.

The spelling of 1283479 in words is "one million, two hundred eighty-three thousand, four hundred seventy-nine".