13338145 has 8 divisors (see below), whose sum is σ = 16073640. Its totient is φ = 10625280.

The previous prime is 13338119. The next prime is 13338151. The reversal of 13338145 is 54183331.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 12723489 = 784^2 + 3567^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-13338145 is a prime.

It is a super-2 number, since 2×13338145² = 355812224082050, which contains 22 as substring.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330 + ... + 6739.

It is an arithmetic number, because the mean of its divisors is an integer number (2009205).

Almost surely, 2^13338145 is an apocalyptic number.

It is an amenable number.

13338145 is a deficient number, since it is larger than the sum of its proper divisors (2735495).

13338145 is a wasteful number, since it uses less digits than its factorization.

13338145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11315.

The product of its digits is 4320, while the sum is 28.

The square root of 13338145 is about 3652.1425218630. The cubic root of 13338145 is about 237.1547411770.

The spelling of 13338145 in words is "thirteen million, three hundred thirty-eight thousand, one hundred forty-five".