1345679 has 8 divisors (see below), whose sum is σ = 1408512.
Its totient is φ = 1284120.
The previous prime is 1345667. The next prime is 1345691. The reversal of 1345679 is 9765431.
It is an interprime number because it is at equal distance from previous prime (1345667) and next prime (1345691).
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1345679 - 28 = 1345423 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10 and base 16.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1345649) by changing a digit.
It is an upside-down number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 2834.
It is an arithmetic number, because the mean of its divisors is an integer number (176064).
21345679 is an apocalyptic number.
1345679 is a deficient number, since it is larger than the sum of its proper divisors (62833).
1345679 is an equidigital number, since it uses as much as digits as its factorization.
1345679 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 637.
The product of its digits is 22680, while the sum is 35.
The square root of 1345679 is about 1160.0340512244.
The cubic root of 1345679 is about 110.4029026314.
The spelling of 1345679 in words is "one million, three hundred forty-five thousand, six hundred seventy-nine".