13540038 has 8 divisors (see below), whose sum is σ = 27080088. Its totient is φ = 4513344.

The previous prime is 13540001. The next prime is 13540073. The reversal of 13540038 is 83004531.

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

13540038 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128331 + ... + 1128342.

It is an arithmetic number, because the mean of its divisors is an integer number (3385011).

Almost surely, 2^13540038 is an apocalyptic number.

13540038 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.

13540038 is a wasteful number, since it uses less digits than its factorization.

13540038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256678.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 13540038 is about 3679.6790620922. The cubic root of 13540038 is about 238.3453194074.

Adding to 13540038 its reverse (83004531), we get a palindrome (96544569).

The spelling of 13540038 in words is "thirteen million, five hundred forty thousand, thirty-eight".