1338497 has 4 divisors (see below), whose sum is σ = 1355520. Its totient is φ = 1321476.

The previous prime is 1338481. The next prime is 1338499. The reversal of 1338497 is 7948331.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7948331 = 1861 ⋅4271.

It is a cyclic number.

It is not a de Polignac number, because 1338497 - 2⁴ = 1338481 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8393 + ... + 8550.

It is an arithmetic number, because the mean of its divisors is an integer number (338880).

2^1338497 is an apocalyptic number.

It is an amenable number.

1338497 is a deficient number, since it is larger than the sum of its proper divisors (17023).

1338497 is an equidigital number, since it uses as much as digits as its factorization.

1338497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17022.

The product of its digits is 18144, while the sum is 35.

The square root of 1338497 is about 1156.9343110134. The cubic root of 1338497 is about 110.2061423691.

The spelling of 1338497 in words is "one million, three hundred thirty-eight thousand, four hundred ninety-seven".