14121919 has 8 divisors (see below), whose sum is σ = 16184960. Its totient is φ = 12070296.

The previous prime is 14121911. The next prime is 14121929. The reversal of 14121919 is 91912141.

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

It is not a de Polignac number, because 14121919 - 2³ = 14121911 is a prime.

It is a super-2 number, since 2×14121919² = 398857192485122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9 + ... + 5314.

It is an arithmetic number, because the mean of its divisors is an integer number (2023120).

Almost surely, 2^14121919 is an apocalyptic number.

14121919 is a deficient number, since it is larger than the sum of its proper divisors (2063041).

14121919 is an equidigital number, since it uses as much as digits as its factorization.

14121919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5709.

The product of its digits is 648, while the sum is 28.

The square root of 14121919 is about 3757.9141820962. The cubic root of 14121919 is about 241.7118294244.

The spelling of 14121919 in words is "fourteen million, one hundred twenty-one thousand, nine hundred nineteen".