13709757 has 8 divisors (see below), whose sum is σ = 18357120. Its totient is φ = 9101120.

The previous prime is 13709753. The next prime is 13709783. The reversal of 13709757 is 75790731.

It is a happy number.

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

It is not a de Polignac number, because 13709757 - 2² = 13709753 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13709753) 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 7 ways as a sum of consecutive naturals, for example, 8844 + ... + 10277.

It is an arithmetic number, because the mean of its divisors is an integer number (2294640).

Almost surely, 2^13709757 is an apocalyptic number.

It is an amenable number.

13709757 is a deficient number, since it is larger than the sum of its proper divisors (4647363).

13709757 is a wasteful number, since it uses less digits than its factorization.

13709757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19363.

The product of its (nonzero) digits is 46305, while the sum is 39.

The square root of 13709757 is about 3702.6689022920. The cubic root of 13709757 is about 239.3370419080.

The spelling of 13709757 in words is "thirteen million, seven hundred nine thousand, seven hundred fifty-seven".