1356479 has 4 divisors (see below), whose sum is σ = 1358880. Its totient is φ = 1354080.

The previous prime is 1356473. The next prime is 1356491. The reversal of 1356479 is 9746531.

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 1356479 - 2⁴ = 1356463 is a prime.

It is a d-powerful number, because it can be written as 1 + 3¹² + 5³ + 6⁴ + 4³ + 7⁷ + 9 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1356473) 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, 167 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (339720).

2^1356479 is an apocalyptic number.

1356479 is a deficient number, since it is larger than the sum of its proper divisors (2401).

1356479 is an equidigital number, since it uses as much as digits as its factorization.

1356479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400.

The product of its digits is 22680, while the sum is 35.

The square root of 1356479 is about 1164.6797843184. The cubic root of 1356479 is about 110.6974690875.

The spelling of 1356479 in words is "one million, three hundred fifty-six thousand, four hundred seventy-nine".