1346979 has 4 divisors (see below), whose sum is σ = 1795976. Its totient is φ = 897984.

The previous prime is 1346977. The next prime is 1346987. The reversal of 1346979 is 9796431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9796431 = 3 ⋅3265477.

It is not a de Polignac number, because 1346979 - 2¹ = 1346977 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1346971) 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, 224494 + ... + 224499.

It is an arithmetic number, because the mean of its divisors is an integer number (448994).

2^1346979 is an apocalyptic number.

1346979 is a deficient number, since it is larger than the sum of its proper divisors (448997).

1346979 is an equidigital number, since it uses as much as digits as its factorization.

1346979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448996.

The product of its digits is 40824, while the sum is 39.

The square root of 1346979 is about 1160.5942443421. The cubic root of 1346979 is about 110.4384429500.

The spelling of 1346979 in words is "one million, three hundred forty-six thousand, nine hundred seventy-nine".