1338871 has 2 divisors, whose sum is σ = 1338872. Its totient is φ = 1338870.

The previous prime is 1338863. The next prime is 1338877. The reversal of 1338871 is 1788331.

It is a strong prime.

It is an emirp because it is prime and its reverse (1788331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1338871 - 2³ = 1338863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1338877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669435 + 669436.

It is an arithmetic number, because the mean of its divisors is an integer number (669436).

2^1338871 is an apocalyptic number.

1338871 is a deficient number, since it is larger than the sum of its proper divisors (1).

1338871 is an equidigital number, since it uses as much as digits as its factorization.

1338871 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 31.

The square root of 1338871 is about 1157.0959337929. The cubic root of 1338871 is about 110.2164059356.

It can be divided in two parts, 1338 and 871, that added together give a square (2209 = 47²).

The spelling of 1338871 in words is "one million, three hundred thirty-eight thousand, eight hundred seventy-one".