13539967 has 8 divisors (see below), whose sum is σ = 15686816. Its totient is φ = 11446272.

The previous prime is 13539961. The next prime is 13539971. The reversal of 13539967 is 76993531.

It is a happy number.

13539967 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 13539967 - 2¹¹ = 13537919 is a prime.

It is a super-2 number, since 2×13539967² = 366661412722178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13539961) 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, 12738 + ... + 13759.

It is an arithmetic number, because the mean of its divisors is an integer number (1960852).

Almost surely, 2^13539967 is an apocalyptic number.

13539967 is a deficient number, since it is larger than the sum of its proper divisors (2146849).

13539967 is an equidigital number, since it uses as much as digits as its factorization.

13539967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26577.

The product of its digits is 153090, while the sum is 43.

The square root of 13539967 is about 3679.6694144991. The cubic root of 13539967 is about 238.3449028023.

The spelling of 13539967 in words is "thirteen million, five hundred thirty-nine thousand, nine hundred sixty-seven".