1306406733 has 16 divisors (see below), whose sum is σ = 1774094400. Its totient is φ = 854873600.

The previous prime is 1306406707. The next prime is 1306406753. The reversal of 1306406733 is 3376046031.

It is a cyclic number.

It is not a de Polignac number, because 1306406733 - 2⁸ = 1306406477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1306406694 and 1306406703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306406753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118813 + ... + 129341.

It is an arithmetic number, because the mean of its divisors is an integer number (110880900).

Almost surely, 2^1306406733 is an apocalyptic number.

It is an amenable number.

1306406733 is a deficient number, since it is larger than the sum of its proper divisors (467687667).

1306406733 is a wasteful number, since it uses less digits than its factorization.

1306406733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11292.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 1306406733 is about 36144.2489616260. The cubic root of 1306406733 is about 1093.1828337258.

The spelling of 1306406733 in words is "one billion, three hundred six million, four hundred six thousand, seven hundred thirty-three".