13011738 has 8 divisors (see below), whose sum is σ = 26023488. Its totient is φ = 4337244.

The previous prime is 13011707. The next prime is 13011763. The reversal of 13011738 is 83711031.

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

13011738 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1084306 + ... + 1084317.

It is an arithmetic number, because the mean of its divisors is an integer number (3252936).

Almost surely, 2^13011738 is an apocalyptic number.

13011738 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13011738 is a wasteful number, since it uses less digits than its factorization.

13011738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2168628.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 13011738 is about 3607.1786759183. The cubic root of 13011738 is about 235.2042166281.

Adding to 13011738 its reverse (83711031), we get a palindrome (96722769).

The spelling of 13011738 in words is "thirteen million, eleven thousand, seven hundred thirty-eight".