13527993 has 8 divisors (see below), whose sum is σ = 18081856. Its totient is φ = 8996400.

The previous prime is 13527989. The next prime is 13528001. The reversal of 13527993 is 39972531.

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

It is not a de Polignac number, because 13527993 - 2² = 13527989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13527923) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093 + ... + 6618.

It is an arithmetic number, because the mean of its divisors is an integer number (2260232).

Almost surely, 2^13527993 is an apocalyptic number.

It is an amenable number.

13527993 is a deficient number, since it is larger than the sum of its proper divisors (4553863).

13527993 is a wasteful number, since it uses less digits than its factorization.

13527993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11135.

The product of its digits is 51030, while the sum is 39.

The square root of 13527993 is about 3678.0420062854. The cubic root of 13527993 is about 238.2746223856.

The spelling of 13527993 in words is "thirteen million, five hundred twenty-seven thousand, nine hundred ninety-three".