13742369 has 2 divisors, whose sum is σ = 13742370. Its totient is φ = 13742368.

The previous prime is 13742347. The next prime is 13742371. The reversal of 13742369 is 96324731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9486400 + 4255969 = 3080^2 + 2063^2 .

It is an emirp because it is prime and its reverse (96324731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13742369 - 2¹⁶ = 13676833 is a prime.

It is a super-2 number, since 2×13742369² = 377705411464322, which contains 22 as substring.

Together with 13742371, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13742389) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6871184 + 6871185.

It is an arithmetic number, because the mean of its divisors is an integer number (6871185).

Almost surely, 2^13742369 is an apocalyptic number.

It is an amenable number.

13742369 is a deficient number, since it is larger than the sum of its proper divisors (1).

13742369 is an equidigital number, since it uses as much as digits as its factorization.

13742369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 35.

The square root of 13742369 is about 3707.0701369141. The cubic root of 13742369 is about 239.5266654701.

The spelling of 13742369 in words is "thirteen million, seven hundred forty-two thousand, three hundred sixty-nine".