1312741 has 4 divisors (see below), whose sum is σ = 1318752. Its totient is φ = 1306732.

The previous prime is 1312739. The next prime is 1312769. The reversal of 1312741 is 1472131.

1312741 = T₉₃₄ + T₉₃₅ + T₉₃₆.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1472131 = 1009 ⋅1459.

It is a cyclic number.

It is not a de Polignac number, because 1312741 - 2¹ = 1312739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312841) 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, 2665 + ... + 3118.

It is an arithmetic number, because the mean of its divisors is an integer number (329688).

2^1312741 is an apocalyptic number.

1312741 is the 936-th centered triangular number.

It is an amenable number.

1312741 is a deficient number, since it is larger than the sum of its proper divisors (6011).

1312741 is an equidigital number, since it uses as much as digits as its factorization.

1312741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6010.

The product of its digits is 168, while the sum is 19.

The square root of 1312741 is about 1145.7490999342. The cubic root of 1312741 is about 109.4946794465.

Adding to 1312741 its reverse (1472131), we get a palindrome (2784872).

The spelling of 1312741 in words is "one million, three hundred twelve thousand, seven hundred forty-one".