13039706 has 8 divisors (see below), whose sum is σ = 19753524. Its totient is φ = 6455200.

The previous prime is 13039703. The next prime is 13039709. The reversal of 13039706 is 60793031.

It is an interprime number because it is at equal distance from previous prime (13039703) and next prime (13039709).

It can be written as a sum of positive squares in 2 ways, for example, as 12996025 + 43681 = 3605^2 + 209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13039703) by changing a digit.

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, 32075 + ... + 32478.

Almost surely, 2^13039706 is an apocalyptic number.

13039706 is a deficient number, since it is larger than the sum of its proper divisors (6713818).

13039706 is a wasteful number, since it uses less digits than its factorization.

13039706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64656.

The product of its (nonzero) digits is 3402, while the sum is 29.

The square root of 13039706 is about 3611.0533089391. The cubic root of 13039706 is about 235.3726154487.

The spelling of 13039706 in words is "thirteen million, thirty-nine thousand, seven hundred six".