1315667 has 4 divisors (see below), whose sum is σ = 1320600. Its totient is φ = 1310736.

The previous prime is 1315661. The next prime is 1315673. The reversal of 1315667 is 7665131.

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

It is an interprime number because it is at equal distance from previous prime (1315661) and next prime (1315673).

It is a cyclic number.

It is not a de Polignac number, because 1315667 - 2⁴ = 1315651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1315661) 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, 2042 + ... + 2607.

It is an arithmetic number, because the mean of its divisors is an integer number (330150).

2^1315667 is an apocalyptic number.

1315667 is a deficient number, since it is larger than the sum of its proper divisors (4933).

1315667 is an equidigital number, since it uses as much as digits as its factorization.

1315667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4932.

The product of its digits is 3780, while the sum is 29.

The square root of 1315667 is about 1147.0252830692. The cubic root of 1315667 is about 109.5759708541.

The spelling of 1315667 in words is "one million, three hundred fifteen thousand, six hundred sixty-seven".