1308361 has 4 divisors (see below), whose sum is σ = 1338832. Its totient is φ = 1277892.

The previous prime is 1308353. The next prime is 1308367. The reversal of 1308361 is 1638031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1308361 - 2³ = 1308353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1308367) 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, 15171 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (334708).

2^1308361 is an apocalyptic number.

It is an amenable number.

1308361 is a deficient number, since it is larger than the sum of its proper divisors (30471).

1308361 is an equidigital number, since it uses as much as digits as its factorization.

1308361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30470.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1308361 is about 1143.8360896562. The cubic root of 1308361 is about 109.3727663217.

The spelling of 1308361 in words is "one million, three hundred eight thousand, three hundred sixty-one".