1315679 has 8 divisors (see below), whose sum is σ = 1358640. Its totient is φ = 1273536.

The previous prime is 1315673. The next prime is 1315697. The reversal of 1315679 is 9765131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-1315679 is a prime.

It is a super-2 number, since 2×1315679² = 3462022462082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1315673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4757 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (169830).

2^1315679 is an apocalyptic number.

1315679 is a deficient number, since it is larger than the sum of its proper divisors (42961).

1315679 is an equidigital number, since it uses as much as digits as its factorization.

1315679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409.

The product of its digits is 5670, while the sum is 32.

The square root of 1315679 is about 1147.0305139795. The cubic root of 1315679 is about 109.5763039951.

The spelling of 1315679 in words is "one million, three hundred fifteen thousand, six hundred seventy-nine".