13775393 has 2 divisors, whose sum is σ = 13775394. Its totient is φ = 13775392.

The previous prime is 13775387. The next prime is 13775407. The reversal of 13775393 is 39357731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13667809 + 107584 = 3697^2 + 328^2 .

It is a cyclic number.

It is not a de Polignac number, because 13775393 - 2¹² = 13771297 is a prime.

It is a super-2 number, since 2×13775393² = 379522904608898, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13775353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6887696 + 6887697.

It is an arithmetic number, because the mean of its divisors is an integer number (6887697).

Almost surely, 2^13775393 is an apocalyptic number.

It is an amenable number.

13775393 is a deficient number, since it is larger than the sum of its proper divisors (1).

13775393 is an equidigital number, since it uses as much as digits as its factorization.

13775393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59535, while the sum is 38.

The square root of 13775393 is about 3711.5216556016. The cubic root of 13775393 is about 239.7183791604.

The spelling of 13775393 in words is "thirteen million, seven hundred seventy-five thousand, three hundred ninety-three".