13868737 has 2 divisors, whose sum is σ = 13868738. Its totient is φ = 13868736.

The previous prime is 13868731. The next prime is 13868761. The reversal of 13868737 is 73786831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13315201 + 553536 = 3649^2 + 744^2 .

It is a cyclic number.

It is not a de Polignac number, because 13868737 - 2¹¹ = 13866689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13868693 and 13868702.

It is not a weakly prime, because it can be changed into another prime (13868731) 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 as a sum of consecutive naturals, namely, 6934368 + 6934369.

It is an arithmetic number, because the mean of its divisors is an integer number (6934369).

Almost surely, 2^13868737 is an apocalyptic number.

It is an amenable number.

13868737 is a deficient number, since it is larger than the sum of its proper divisors (1).

13868737 is an equidigital number, since it uses as much as digits as its factorization.

13868737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 13868737 is about 3724.0753214724. The cubic root of 13868737 is about 240.2586159001.

The spelling of 13868737 in words is "thirteen million, eight hundred sixty-eight thousand, seven hundred thirty-seven".