14969919 has 4 divisors (see below), whose sum is σ = 19959896. Its totient is φ = 9979944.

The previous prime is 14969909. The next prime is 14969921. The reversal of 14969919 is 91996941.

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

It is not a de Polignac number, because 14969919 - 2⁷ = 14969791 is a prime.

It is a super-2 number, since 2×14969919² = 448196949733122, 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 (14969909) 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, 2494984 + ... + 2494989.

It is an arithmetic number, because the mean of its divisors is an integer number (4989974).

Almost surely, 2^14969919 is an apocalyptic number.

14969919 is a deficient number, since it is larger than the sum of its proper divisors (4989977).

14969919 is an equidigital number, since it uses as much as digits as its factorization.

14969919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4989976.

The product of its digits is 157464, while the sum is 48.

The square root of 14969919 is about 3869.0979568887. The cubic root of 14969919 is about 246.4562390515.

The spelling of 14969919 in words is "fourteen million, nine hundred sixty-nine thousand, nine hundred nineteen".