1313542 has 4 divisors (see below), whose sum is σ = 1970316. Its totient is φ = 656770.

The previous prime is 1313467. The next prime is 1313567. The reversal of 1313542 is 2453131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2453131 = 503 ⋅4877.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328384 + ... + 328387.

It is an arithmetic number, because the mean of its divisors is an integer number (492579).

2^1313542 is an apocalyptic number.

1313542 is a deficient number, since it is larger than the sum of its proper divisors (656774).

1313542 is an equidigital number, since it uses as much as digits as its factorization.

1313542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 656773.

The product of its digits is 360, while the sum is 19.

The square root of 1313542 is about 1146.0985995978. The cubic root of 1313542 is about 109.5169451755.

Adding to 1313542 its reverse (2453131), we get a palindrome (3766673).

The spelling of 1313542 in words is "one million, three hundred thirteen thousand, five hundred forty-two".