1308479 has 4 divisors (see below), whose sum is σ = 1350720. Its totient is φ = 1266240.

The previous prime is 1308467. The next prime is 1308491. The reversal of 1308479 is 9748031.

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

It is an interprime number because it is at equal distance from previous prime (1308467) and next prime (1308491).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1308479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1308499) 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, 21074 + ... + 21135.

It is an arithmetic number, because the mean of its divisors is an integer number (337680).

2^1308479 is an apocalyptic number.

1308479 is a deficient number, since it is larger than the sum of its proper divisors (42241).

1308479 is an equidigital number, since it uses as much as digits as its factorization.

1308479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42240.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1308479 is about 1143.8876693102. The cubic root of 1308479 is about 109.3760543028.

The spelling of 1308479 in words is "one million, three hundred eight thousand, four hundred seventy-nine".