13772293 has 2 divisors, whose sum is σ = 13772294. Its totient is φ = 13772292.

The previous prime is 13772281. The next prime is 13772299. The reversal of 13772293 is 39227731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10614564 + 3157729 = 3258^2 + 1777^2 .

It is an emirp because it is prime and its reverse (39227731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13772293 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13772299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6886146 + 6886147.

It is an arithmetic number, because the mean of its divisors is an integer number (6886147).

Almost surely, 2^13772293 is an apocalyptic number.

It is an amenable number.

13772293 is a deficient number, since it is larger than the sum of its proper divisors (1).

13772293 is an equidigital number, since it uses as much as digits as its factorization.

13772293 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 34.

The square root of 13772293 is about 3711.1040136326. The cubic root of 13772293 is about 239.7003958205.

The spelling of 13772293 in words is "thirteen million, seven hundred seventy-two thousand, two hundred ninety-three".