13919414 has 4 divisors (see below), whose sum is σ = 20879124. Its totient is φ = 6959706.

The previous prime is 13919387. The next prime is 13919417. The reversal of 13919414 is 41491931.

13919414 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×13919414² = 387500172206792, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13919417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3479852 + ... + 3479855.

It is an arithmetic number, because the mean of its divisors is an integer number (5219781).

Almost surely, 2^13919414 is an apocalyptic number.

13919414 is a deficient number, since it is larger than the sum of its proper divisors (6959710).

13919414 is an equidigital number, since it uses as much as digits as its factorization.

13919414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6959709.

The product of its digits is 3888, while the sum is 32.

The square root of 13919414 is about 3730.8730881658. The cubic root of 13919414 is about 240.5508988446.

The spelling of 13919414 in words is "thirteen million, nine hundred nineteen thousand, four hundred fourteen".