1306733 has 2 divisors, whose sum is σ = 1306734. Its totient is φ = 1306732.

The previous prime is 1306717. The next prime is 1306751. The reversal of 1306733 is 3376031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1054729 + 252004 = 1027^2 + 502^2 .

It is a cyclic number.

It is not a de Polignac number, because 1306733 - 2⁴ = 1306717 is a prime.

It is a super-2 number, since 2×1306733² = 3415102266578, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 1306699 and 1306708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653366 + 653367.

It is an arithmetic number, because the mean of its divisors is an integer number (653367).

2^1306733 is an apocalyptic number.

It is an amenable number.

1306733 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306733 is an equidigital number, since it uses as much as digits as its factorization.

1306733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 23.

The square root of 1306733 is about 1143.1242277198. The cubic root of 1306733 is about 109.3273831368.

The spelling of 1306733 in words is "one million, three hundred six thousand, seven hundred thirty-three".