13336145 has 8 divisors (see below), whose sum is σ = 16025256. Its totient is φ = 10654336.

The previous prime is 13336117. The next prime is 13336153. The reversal of 13336145 is 54163331.

It can be written as a sum of positive squares in 4 ways, for example, as 712336 + 12623809 = 844^2 + 3553^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 13336145 - 2¹² = 13332049 is a prime.

It is a super-2 number, since 2×13336145² = 355705526922050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

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, 3749 + ... + 6381.

It is an arithmetic number, because the mean of its divisors is an integer number (2003157).

Almost surely, 2^13336145 is an apocalyptic number.

It is an amenable number.

13336145 is a deficient number, since it is larger than the sum of its proper divisors (2689111).

13336145 is a wasteful number, since it uses less digits than its factorization.

13336145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3651.

The product of its digits is 3240, while the sum is 26.

The square root of 13336145 is about 3651.8686997207. The cubic root of 13336145 is about 237.1428871251.

Adding to 13336145 its reverse (54163331), we get a palindrome (67499476).

The spelling of 13336145 in words is "thirteen million, three hundred thirty-six thousand, one hundred forty-five".