1338015 has 16 divisors (see below), whose sum is σ = 2446848. Its totient is φ = 611616.

The previous prime is 1338013. The next prime is 1338041. The reversal of 1338015 is 5108331.

It is a happy number.

It is not a de Polignac number, because 1338015 - 2¹ = 1338013 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

1338015 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1337982 and 1338000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6267 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (152928).

2^1338015 is an apocalyptic number.

1338015 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1338015 is a deficient number, since it is larger than the sum of its proper divisors (1108833).

1338015 is a wasteful number, since it uses less digits than its factorization.

1338015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12758.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 1338015 is about 1156.7259831092. The cubic root of 1338015 is about 110.1929121718.

The spelling of 1338015 in words is "one million, three hundred thirty-eight thousand, fifteen".