13898419 has 2 divisors, whose sum is σ = 13898420. Its totient is φ = 13898418.

The previous prime is 13898411. The next prime is 13898429. The reversal of 13898419 is 91489831.

It is a weak prime.

It is an emirp because it is prime and its reverse (91489831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13898419 - 2³ = 13898411 is a prime.

It is a super-2 number, since 2×13898419² = 386332101399122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13898411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6949209 + 6949210.

It is an arithmetic number, because the mean of its divisors is an integer number (6949210).

Almost surely, 2^13898419 is an apocalyptic number.

13898419 is a deficient number, since it is larger than the sum of its proper divisors (1).

13898419 is an equidigital number, since it uses as much as digits as its factorization.

13898419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 13898419 is about 3728.0583418182. The cubic root of 13898419 is about 240.4298950090.

The spelling of 13898419 in words is "thirteen million, eight hundred ninety-eight thousand, four hundred nineteen".