1313567 has 2 divisors, whose sum is σ = 1313568. Its totient is φ = 1313566.

The previous prime is 1313467. The next prime is 1313569. The reversal of 1313567 is 7653131.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1313567 - 2⁸ = 1313311 is a prime.

Together with 1313569, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₁₀₀₉₇₉ and since 1313567 and 100979 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656783 + 656784.

It is an arithmetic number, because the mean of its divisors is an integer number (656784).

2^1313567 is an apocalyptic number.

1313567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313567 is an equidigital number, since it uses as much as digits as its factorization.

1313567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1890, while the sum is 26.

The square root of 1313567 is about 1146.1095061119. The cubic root of 1313567 is about 109.5176399651.

Adding to 1313567 its reverse (7653131), we get a palindrome (8966698).

The spelling of 1313567 in words is "one million, three hundred thirteen thousand, five hundred sixty-seven".