13986019 has 8 divisors (see below), whose sum is σ = 15052608. Its totient is φ = 12946560.

The previous prime is 13986017. The next prime is 13986023. The reversal of 13986019 is 91068931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13986019 - 2¹ = 13986017 is a prime.

It is a super-2 number, since 2×13986019² = 391217454936722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13986013) 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 7 ways as a sum of consecutive naturals, for example, 5707 + ... + 7780.

It is an arithmetic number, because the mean of its divisors is an integer number (1881576).

Almost surely, 2^13986019 is an apocalyptic number.

13986019 is a deficient number, since it is larger than the sum of its proper divisors (1066589).

13986019 is a wasteful number, since it uses less digits than its factorization.

13986019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13565.

The product of its (nonzero) digits is 11664, while the sum is 37.

The square root of 13986019 is about 3739.7886303908. The cubic root of 13986019 is about 240.9339706507.

The spelling of 13986019 in words is "thirteen million, nine hundred eighty-six thousand, nineteen".