13738019 has 2 divisors, whose sum is σ = 13738020. Its totient is φ = 13738018.

The previous prime is 13738001. The next prime is 13738069. The reversal of 13738019 is 91083731.

It is a weak prime.

It is an emirp because it is prime and its reverse (91083731) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13738019 is a prime.

It is a super-2 number, since 2×13738019² = 377466332088722, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (13738069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6869009 + 6869010.

It is an arithmetic number, because the mean of its divisors is an integer number (6869010).

Almost surely, 2^13738019 is an apocalyptic number.

13738019 is a deficient number, since it is larger than the sum of its proper divisors (1).

13738019 is an equidigital number, since it uses as much as digits as its factorization.

13738019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 13738019 is about 3706.4833737655. The cubic root of 13738019 is about 239.5013896012.

The spelling of 13738019 in words is "thirteen million, seven hundred thirty-eight thousand, nineteen".