13842019 has 12 divisors (see below), whose sum is σ = 14563120. Its totient is φ = 13154400.

The previous prime is 13842011. The next prime is 13842043. The reversal of 13842019 is 91024831.

It is a happy number.

It is not a de Polignac number, because 13842019 - 2³ = 13842011 is a prime.

It is a super-2 number, since 2×13842019² = 383202979992722, which contains 22 as substring.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13842011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91594 + ... + 91744.

Almost surely, 2^13842019 is an apocalyptic number.

13842019 is a deficient number, since it is larger than the sum of its proper divisors (721101).

13842019 is a wasteful number, since it uses less digits than its factorization.

13842019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 289 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 13842019 is about 3720.4863929331. The cubic root of 13842019 is about 240.1042313464.

It can be divided in two parts, 1384 and 2019, that added together give a triangular number (3403 = T₈₂).

The spelling of 13842019 in words is "thirteen million, eight hundred forty-two thousand, nineteen".