1338807 has 8 divisors (see below), whose sum is σ = 1862784. Its totient is φ = 853688.

The previous prime is 1338803. The next prime is 1338809. The reversal of 1338807 is 7088331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1338807 - 2² = 1338803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338803) 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, 9633 + ... + 9770.

It is an arithmetic number, because the mean of its divisors is an integer number (232848).

2^1338807 is an apocalyptic number.

1338807 is a deficient number, since it is larger than the sum of its proper divisors (523977).

1338807 is a wasteful number, since it uses less digits than its factorization.

1338807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19429.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 1338807 is about 1157.0682780199. The cubic root of 1338807 is about 110.2146497389.

It can be divided in two parts, 1338 and 807, that added together give a triangular number (2145 = T₆₅).

The spelling of 1338807 in words is "one million, three hundred thirty-eight thousand, eight hundred seven".