13707538 has 16 divisors (see below), whose sum is σ = 22743000. Its totient is φ = 6155136.

The previous prime is 13707523. The next prime is 13707539. The reversal of 13707538 is 83570731.

It can be written as a sum of positive squares in 4 ways, for example, as 12938409 + 769129 = 3597^2 + 877^2 .

It is not an unprimeable number, because it can be changed into a prime (13707539) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6163 + ... + 8086.

Almost surely, 2^13707538 is an apocalyptic number.

13707538 is a deficient number, since it is larger than the sum of its proper divisors (9035462).

13707538 is a wasteful number, since it uses less digits than its factorization.

13707538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14301.

The product of its (nonzero) digits is 17640, while the sum is 34.

The square root of 13707538 is about 3702.3692414453. The cubic root of 13707538 is about 239.3241285366.

The spelling of 13707538 in words is "thirteen million, seven hundred seven thousand, five hundred thirty-eight".