13539206 has 8 divisors (see below), whose sum is σ = 20382960. Its totient is φ = 6744888.

The previous prime is 13539193. The next prime is 13539223. The reversal of 13539206 is 60293531.

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

It is a super-2 number, since 2×13539206² = 366620198220872, which contains 22 as substring.

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, 11666 + ... + 12773.

It is an arithmetic number, because the mean of its divisors is an integer number (2547870).

Almost surely, 2^13539206 is an apocalyptic number.

13539206 is a deficient number, since it is larger than the sum of its proper divisors (6843754).

13539206 is a wasteful number, since it uses less digits than its factorization.

13539206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24718.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 13539206 is about 3679.5660070177. The cubic root of 13539206 is about 238.3404374081.

The spelling of 13539206 in words is "thirteen million, five hundred thirty-nine thousand, two hundred six".