1312526 has 4 divisors (see below), whose sum is σ = 1968792. Its totient is φ = 656262.

The previous prime is 1312523. The next prime is 1312543. The reversal of 1312526 is 6252131.

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

It is a junction number, because it is equal to n+sod(n) for n = 1312498 and 1312507.

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 as a sum of consecutive naturals, namely, 328130 + ... + 328133.

It is an arithmetic number, because the mean of its divisors is an integer number (492198).

2^1312526 is an apocalyptic number.

1312526 is a deficient number, since it is larger than the sum of its proper divisors (656266).

1312526 is an equidigital number, since it uses as much as digits as its factorization.

1312526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656265.

The product of its digits is 360, while the sum is 20.

The square root of 1312526 is about 1145.6552710131. The cubic root of 1312526 is about 109.4887014607.

Adding to 1312526 its reverse (6252131), we get a palindrome (7564657).

The spelling of 1312526 in words is "one million, three hundred twelve thousand, five hundred twenty-six".