1345279 has 4 divisors (see below), whose sum is σ = 1448776. Its totient is φ = 1241784.

The previous prime is 1345277. The next prime is 1345297. The reversal of 1345279 is 9725431.

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

It is a cyclic number.

It is not a de Polignac number, because 1345279 - 2¹ = 1345277 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1345279.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51729 + ... + 51754.

It is an arithmetic number, because the mean of its divisors is an integer number (362194).

2^1345279 is an apocalyptic number.

1345279 is a deficient number, since it is larger than the sum of its proper divisors (103497).

1345279 is a wasteful number, since it uses less digits than its factorization.

1345279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103496.

The product of its digits is 7560, while the sum is 31.

The square root of 1345279 is about 1159.8616296783. The cubic root of 1345279 is about 110.3919625441.

It can be divided in two parts, 13452 and 79, that added together give a palindrome (13531).

The spelling of 1345279 in words is "one million, three hundred forty-five thousand, two hundred seventy-nine".