1312534622 has 16 divisors (see below), whose sum is σ = 2251670400. Its totient is φ = 562112088.

The previous prime is 1312534603. The next prime is 1312534627. The reversal of 1312534622 is 2264352131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312534627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12872 + ... + 52827.

It is an arithmetic number, because the mean of its divisors is an integer number (140729400).

Almost surely, 2^1312534622 is an apocalyptic number.

1312534622 is a deficient number, since it is larger than the sum of its proper divisors (939135778).

1312534622 is a wasteful number, since it uses less digits than its factorization.

1312534622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67135.

The product of its digits is 8640, while the sum is 29.

The square root of 1312534622 is about 36228.9196913184. The cubic root of 1312534622 is about 1094.8894120436.

Adding to 1312534622 its reverse (2264352131), we get a palindrome (3576886753).

The spelling of 1312534622 in words is "one billion, three hundred twelve million, five hundred thirty-four thousand, six hundred twenty-two".