1312132503 has 8 divisors (see below), whose sum is σ = 1908556416. Its totient is φ = 795231800.

The previous prime is 1312132499. The next prime is 1312132537. The reversal of 1312132503 is 3052312131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312132503 - 2² = 1312132499 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1312132503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312132583) 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, 19880763 + ... + 19880828.

It is an arithmetic number, because the mean of its divisors is an integer number (238569552).

Almost surely, 2^1312132503 is an apocalyptic number.

1312132503 is a deficient number, since it is larger than the sum of its proper divisors (596423913).

1312132503 is a wasteful number, since it uses less digits than its factorization.

1312132503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39761605.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 1312132503 is about 36223.3695699337. The cubic root of 1312132503 is about 1094.7775874873. Note that the first 3 decimals are identical.

Adding to 1312132503 its reverse (3052312131), we get a palindrome (4364444634).

The spelling of 1312132503 in words is "one billion, three hundred twelve million, one hundred thirty-two thousand, five hundred three".