1312534455 has 16 divisors (see below), whose sum is σ = 2144738304. Its totient is φ = 685124000.

The previous prime is 1312534429. The next prime is 1312534477. The reversal of 1312534455 is 5544352131.

It is not a de Polignac number, because 1312534455 - 2²³ = 1304145847 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 930171 + ... + 931580.

It is an arithmetic number, because the mean of its divisors is an integer number (134046144).

Almost surely, 2^1312534455 is an apocalyptic number.

1312534455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1312534455 is a deficient number, since it is larger than the sum of its proper divisors (832203849).

1312534455 is a wasteful number, since it uses less digits than its factorization.

1312534455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1861806.

The product of its digits is 36000, while the sum is 33.

The square root of 1312534455 is about 36228.9173865298. The cubic root of 1312534455 is about 1094.8893656076.

Adding to 1312534455 its reverse (5544352131), we get a palindrome (6856886586).

The spelling of 1312534455 in words is "one billion, three hundred twelve million, five hundred thirty-four thousand, four hundred fifty-five".