1312540083 has 12 divisors (see below), whose sum is σ = 1995675240. Its totient is φ = 828972576.

The previous prime is 1312540081. The next prime is 1312540091. The reversal of 1312540083 is 3800452131.

It is a happy number.

It is not a de Polignac number, because 1312540083 - 2¹ = 1312540081 is a prime.

It is a super-2 number, since 2×1312540083² = 3445522938963293778, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312540081) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3837666 + ... + 3838007.

It is an arithmetic number, because the mean of its divisors is an integer number (166306270).

Almost surely, 2^1312540083 is an apocalyptic number.

1312540083 is a deficient number, since it is larger than the sum of its proper divisors (683135157).

1312540083 is a wasteful number, since it uses less digits than its factorization.

1312540083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7675698 (or 7675695 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1312540083 is about 36228.9950592064. The cubic root of 1312540083 is about 1094.8909305262.

The spelling of 1312540083 in words is "one billion, three hundred twelve million, five hundred forty thousand, eighty-three".