1309368 has 32 divisors (see below), whose sum is σ = 3315600. Its totient is φ = 430848.

The previous prime is 1309351. The next prime is 1309369. The reversal of 1309368 is 8639031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1309369) 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 7 ways as a sum of consecutive naturals, for example, 1830 + ... + 2442.

2^1309368 is an apocalyptic number.

It is an amenable number.

1309368 is an abundant number, since it is smaller than the sum of its proper divisors (2006232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1309368 is a wasteful number, since it uses less digits than its factorization.

1309368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1309368 is about 1144.2761904366. The cubic root of 1309368 is about 109.4008192651.

The spelling of 1309368 in words is "one million, three hundred nine thousand, three hundred sixty-eight".