1306396053 has 16 divisors (see below), whose sum is σ = 2037265600. Its totient is φ = 825091920.

The previous prime is 1306396043. The next prime is 1306396057. The reversal of 1306396053 is 3506936031.

1306396053 is a `hidden beast` number, since 13 + 0 + 6 + 39 + 605 + 3 = 666.

It is not a de Polignac number, because 1306396053 - 2⁶ = 1306395989 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1306395999 and 1306396017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306396057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1272778 + ... + 1273803.

It is an arithmetic number, because the mean of its divisors is an integer number (127329100).

Almost surely, 2^1306396053 is an apocalyptic number.

It is an amenable number.

1306396053 is a deficient number, since it is larger than the sum of its proper divisors (730869547).

1306396053 is a wasteful number, since it uses less digits than its factorization.

1306396053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2546609 (or 2546603 counting only the distinct ones).

The product of its (nonzero) digits is 43740, while the sum is 36.

The square root of 1306396053 is about 36144.1012199778. The cubic root of 1306396053 is about 1093.1798547596.

The spelling of 1306396053 in words is "one billion, three hundred six million, three hundred ninety-six thousand, fifty-three".