13960019 has 4 divisors (see below), whose sum is σ = 14128296. Its totient is φ = 13791744.

The previous prime is 13960007. The next prime is 13960021. The reversal of 13960019 is 91006931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91006931 = 751 ⋅121181.

It is a cyclic number.

It is not a de Polignac number, because 13960019 - 2⁸ = 13959763 is a prime.

It is a super-2 number, since 2×13960019² = 389764260960722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13959973 and 13960000.

It is not an unprimeable number, because it can be changed into a prime (13960099) 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 in 3 ways as a sum of consecutive naturals, for example, 84014 + ... + 84179.

It is an arithmetic number, because the mean of its divisors is an integer number (3532074).

Almost surely, 2^13960019 is an apocalyptic number.

13960019 is a deficient number, since it is larger than the sum of its proper divisors (168277).

13960019 is an equidigital number, since it uses as much as digits as its factorization.

13960019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168276.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 13960019 is about 3736.3108810697. The cubic root of 13960019 is about 240.7845793427.

The spelling of 13960019 in words is "thirteen million, nine hundred sixty thousand, nineteen".