1262516313 has 16 divisors (see below), whose sum is σ = 1774624320. Its totient is φ = 796176576.

The previous prime is 1262516291. The next prime is 1262516327. The reversal of 1262516313 is 3136152621.

It is not a de Polignac number, because 1262516313 - 2¹² = 1262512217 is a prime.

It is a super-2 number, since 2×1262516313² = 3187894881182227938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1262516383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22231 + ... + 54947.

It is an arithmetic number, because the mean of its divisors is an integer number (110914020).

Almost surely, 2^1262516313 is an apocalyptic number.

It is an amenable number.

1262516313 is a deficient number, since it is larger than the sum of its proper divisors (512108007).

1262516313 is a wasteful number, since it uses less digits than its factorization.

1262516313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33416.

The product of its digits is 6480, while the sum is 30.

The square root of 1262516313 is about 35531.9055638732. The cubic root of 1262516313 is about 1080.8008215094.

Adding to 1262516313 its reverse (3136152621), we get a palindrome (4398668934).

The spelling of 1262516313 in words is "one billion, two hundred sixty-two million, five hundred sixteen thousand, three hundred thirteen".