1308338 has 4 divisors (see below), whose sum is σ = 1962510. Its totient is φ = 654168.

The previous prime is 1308331. The next prime is 1308343. The reversal of 1308338 is 8338031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8338031 = 13 ⋅641387.

It can be written as a sum of positive squares in only one way, i.e., 1283689 + 24649 = 1133^2 + 157^2 .

It is not an unprimeable number, because it can be changed into a prime (1308331) 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 as a sum of consecutive naturals, namely, 327083 + ... + 327086.

2^1308338 is an apocalyptic number.

1308338 is a deficient number, since it is larger than the sum of its proper divisors (654172).

1308338 is an equidigital number, since it uses as much as digits as its factorization.

1308338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654171.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 1308338 is about 1143.8260357240. The cubic root of 1308338 is about 109.3721254211.

The spelling of 1308338 in words is "one million, three hundred eight thousand, three hundred thirty-eight".