1312753 has 4 divisors (see below), whose sum is σ = 1413748. Its totient is φ = 1211760.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312753 is 3572131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73984 + 1238769 = 272^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312753 - 2¹⁷ = 1181681 is a prime.

It is an Ulam number.

It is a Duffinian number.

1312753 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1312733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50478 + ... + 50503.

It is an arithmetic number, because the mean of its divisors is an integer number (353437).

2^1312753 is an apocalyptic number.

1312753 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1312753 is a deficient number, since it is larger than the sum of its proper divisors (100995).

1312753 is a wasteful number, since it uses less digits than its factorization.

1312753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100994.

The product of its digits is 630, while the sum is 22.

The square root of 1312753 is about 1145.7543366708. The cubic root of 1312753 is about 109.4950130823.

Adding to 1312753 its reverse (3572131), we get a palindrome (4884884).

The spelling of 1312753 in words is "one million, three hundred twelve thousand, seven hundred fifty-three".