1306486965 has 32 divisors (see below), whose sum is σ = 2439843840. Its totient is φ = 584541504.

The previous prime is 1306486957. The next prime is 1306486967. The reversal of 1306486965 is 5696846031.

It is not a de Polignac number, because 1306486965 - 2³ = 1306486957 is a prime.

It is a super-2 number, since 2×1306486965² = 3413816379429822450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306486967) 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 31 ways as a sum of consecutive naturals, for example, 127435 + ... + 137304.

It is an arithmetic number, because the mean of its divisors is an integer number (76245120).

Almost surely, 2^1306486965 is an apocalyptic number.

1306486965 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306486965 is a deficient number, since it is larger than the sum of its proper divisors (1133356875).

1306486965 is a wasteful number, since it uses less digits than its factorization.

1306486965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264801.

The product of its (nonzero) digits is 933120, while the sum is 48.

The square root of 1306486965 is about 36145.3588306991. The cubic root of 1306486965 is about 1093.2052122718.

The spelling of 1306486965 in words is "one billion, three hundred six million, four hundred eighty-six thousand, nine hundred sixty-five".