13239086 has 32 divisors (see below), whose sum is σ = 24261120. Its totient is φ = 5292000.

The previous prime is 13239059. The next prime is 13239103. The reversal of 13239086 is 68093231.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18536 + ... + 19236.

It is an arithmetic number, because the mean of its divisors is an integer number (758160).

Almost surely, 2^13239086 is an apocalyptic number.

13239086 is a deficient number, since it is larger than the sum of its proper divisors (11022034).

13239086 is a wasteful number, since it uses less digits than its factorization.

13239086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 13239086 is about 3638.5554826057. Note that the first 3 decimals coincide. The cubic root of 13239086 is about 236.5661858272.

The spelling of 13239086 in words is "thirteen million, two hundred thirty-nine thousand, eighty-six".