1338147 has 16 divisors (see below), whose sum is σ = 2052000. Its totient is φ = 860832.

The previous prime is 1338109. The next prime is 1338167. The reversal of 1338147 is 7418331.

It is not a de Polignac number, because 1338147 - 2⁸ = 1337891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 1338147.

It is not an unprimeable number, because it can be changed into a prime (1338107) 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, 72 + ... + 1637.

It is an arithmetic number, because the mean of its divisors is an integer number (128250).

2^1338147 is an apocalyptic number.

1338147 is a deficient number, since it is larger than the sum of its proper divisors (713853).

1338147 is a wasteful number, since it uses less digits than its factorization.

1338147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1747 (or 1741 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 1338147 is about 1156.7830392948. The cubic root of 1338147 is about 110.1965356952.

It can be divided in two parts, 1338 and 147, that added together give a triangular number (1485 = T₅₄).

The spelling of 1338147 in words is "one million, three hundred thirty-eight thousand, one hundred forty-seven".