1338507 has 6 divisors (see below), whose sum is σ = 1933412. Its totient is φ = 892332.

The previous prime is 1338499. The next prime is 1338517. The reversal of 1338507 is 7058331.

It is not a de Polignac number, because 1338507 - 2³ = 1338499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1338517) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74353 + ... + 74370.

2^1338507 is an apocalyptic number.

1338507 is a deficient number, since it is larger than the sum of its proper divisors (594905).

1338507 is a wasteful number, since it uses less digits than its factorization.

1338507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148729 (or 148726 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 1338507 is about 1156.9386327719. The cubic root of 1338507 is about 110.2064168208.

The spelling of 1338507 in words is "one million, three hundred thirty-eight thousand, five hundred seven".