13139707 has 16 divisors (see below), whose sum is σ = 15489792. Its totient is φ = 10913760.

The previous prime is 13139689. The next prime is 13139723. The reversal of 13139707 is 70793131.

It is not a de Polignac number, because 13139707 - 2¹¹ = 13137659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13139767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39532 + ... + 39862.

It is an arithmetic number, because the mean of its divisors is an integer number (968112).

Almost surely, 2^13139707 is an apocalyptic number.

13139707 is a deficient number, since it is larger than the sum of its proper divisors (2350085).

13139707 is a wasteful number, since it uses less digits than its factorization.

13139707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 13139707 is about 3624.8733770988. The cubic root of 13139707 is about 235.9727716839.

The spelling of 13139707 in words is "thirteen million, one hundred thirty-nine thousand, seven hundred seven".