13869313 has 2 divisors, whose sum is σ = 13869314. Its totient is φ = 13869312.

The previous prime is 13869293. The next prime is 13869347. The reversal of 13869313 is 31396831.

It is an a-pointer prime, because the next prime (13869347) can be obtained adding 13869313 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13786369 + 82944 = 3713^2 + 288^2 .

It is a cyclic number.

It is not a de Polignac number, because 13869313 - 2⁹ = 13868801 is a prime.

It is not a weakly prime, because it can be changed into another prime (13869613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6934656 + 6934657.

It is an arithmetic number, because the mean of its divisors is an integer number (6934657).

Almost surely, 2^13869313 is an apocalyptic number.

It is an amenable number.

13869313 is a deficient number, since it is larger than the sum of its proper divisors (1).

13869313 is an equidigital number, since it uses as much as digits as its factorization.

13869313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11664, while the sum is 34.

The square root of 13869313 is about 3724.1526553029. The cubic root of 13869313 is about 240.2619420152.

The spelling of 13869313 in words is "thirteen million, eight hundred sixty-nine thousand, three hundred thirteen".