13748069 has 2 divisors, whose sum is σ = 13748070. Its totient is φ = 13748068.

The previous prime is 13748051. The next prime is 13748071. The reversal of 13748069 is 96084731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 315844 = 3665^2 + 562^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13748069 is a prime.

It is a super-2 number, since 2×13748069² = 378018802457522, which contains 22 as substring.

Together with 13748071, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13748029) 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, 6874034 + 6874035.

It is an arithmetic number, because the mean of its divisors is an integer number (6874035).

Almost surely, 2^13748069 is an apocalyptic number.

It is an amenable number.

13748069 is a deficient number, since it is larger than the sum of its proper divisors (1).

13748069 is an equidigital number, since it uses as much as digits as its factorization.

13748069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 13748069 is about 3707.8388584187. The cubic root of 13748069 is about 239.5597775018.

The spelling of 13748069 in words is "thirteen million, seven hundred forty-eight thousand, sixty-nine".