14513819 has 4 divisors (see below), whose sum is σ = 14663544. Its totient is φ = 14364096.

The previous prime is 14513809. The next prime is 14513831. The reversal of 14513819 is 91831541.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 14513819 - 2¹² = 14509723 is a prime.

It is a super-2 number, since 2×14513819² = 421301883929522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14513809) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74717 + ... + 74910.

It is an arithmetic number, because the mean of its divisors is an integer number (3665886).

Almost surely, 2^14513819 is an apocalyptic number.

14513819 is a deficient number, since it is larger than the sum of its proper divisors (149725).

14513819 is an equidigital number, since it uses as much as digits as its factorization.

14513819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149724.

The product of its digits is 4320, while the sum is 32.

The square root of 14513819 is about 3809.7006444076. The cubic root of 14513819 is about 243.9273892605.

The spelling of 14513819 in words is "fourteen million, five hundred thirteen thousand, eight hundred nineteen".