1312527 has 4 divisors (see below), whose sum is σ = 1750040. Its totient is φ = 875016.

The previous prime is 1312523. The next prime is 1312543. The reversal of 1312527 is 7252131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7252131 = 3 ⋅2417377.

It is not a de Polignac number, because 1312527 - 2² = 1312523 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312523) 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, 218752 + ... + 218757.

It is an arithmetic number, because the mean of its divisors is an integer number (437510).

2^1312527 is an apocalyptic number.

1312527 is a deficient number, since it is larger than the sum of its proper divisors (437513).

1312527 is an equidigital number, since it uses as much as digits as its factorization.

1312527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437512.

The product of its digits is 420, while the sum is 21.

The square root of 1312527 is about 1145.6557074444. The cubic root of 1312527 is about 109.4887292668.

Adding to 1312527 its reverse (7252131), we get a palindrome (8564658).

The spelling of 1312527 in words is "one million, three hundred twelve thousand, five hundred twenty-seven".