14387919 has 24 divisors (see below), whose sum is σ = 24035760. Its totient is φ = 7588224.

The previous prime is 14387911. The next prime is 14387939. The reversal of 14387919 is 91978341.

It is a happy number.

It is not a de Polignac number, because 14387919 - 2³ = 14387911 is a prime.

It is a super-2 number, since 2×14387919² = 414024426301122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14387911) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1854 + ... + 5675.

It is an arithmetic number, because the mean of its divisors is an integer number (1001490).

Almost surely, 2^14387919 is an apocalyptic number.

14387919 is a deficient number, since it is larger than the sum of its proper divisors (9647841).

14387919 is a wasteful number, since it uses less digits than its factorization.

14387919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7559 (or 7552 counting only the distinct ones).

The product of its digits is 54432, while the sum is 42.

The square root of 14387919 is about 3793.1410466789. The cubic root of 14387919 is about 243.2200246002.

The spelling of 14387919 in words is "fourteen million, three hundred eighty-seven thousand, nine hundred nineteen".