1312552803 has 16 divisors (see below), whose sum is σ = 1850591232. Its totient is φ = 826152000.

The previous prime is 1312552783. The next prime is 1312552807. The reversal of 1312552803 is 3082552131.

It is not a de Polignac number, because 1312552803 - 2¹⁴ = 1312536419 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1312552807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168303 + ... + 175928.

It is an arithmetic number, because the mean of its divisors is an integer number (115661952).

Almost surely, 2^1312552803 is an apocalyptic number.

1312552803 is a deficient number, since it is larger than the sum of its proper divisors (538038429).

1312552803 is a wasteful number, since it uses less digits than its factorization.

1312552803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344306.

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1312552803 is about 36229.1706087788. The cubic root of 1312552803 is about 1094.8944674258.

The spelling of 1312552803 in words is "one billion, three hundred twelve million, five hundred fifty-two thousand, eight hundred three".