14919947 has 8 divisors (see below), whose sum is σ = 17154816. Its totient is φ = 12710952.

The previous prime is 14919943. The next prime is 14919953. The reversal of 14919947 is 74991941.

It is a happy number.

14919947 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 14919947 - 2² = 14919943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14919898 and 14919907.

It is not an unprimeable number, because it can be changed into a prime (14919943) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5213 + ... + 7550.

It is an arithmetic number, because the mean of its divisors is an integer number (2144352).

Almost surely, 2^14919947 is an apocalyptic number.

14919947 is a deficient number, since it is larger than the sum of its proper divisors (2234869).

14919947 is a wasteful number, since it uses less digits than its factorization.

14919947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12937.

The product of its digits is 81648, while the sum is 44.

The square root of 14919947 is about 3862.6347225696. The cubic root of 14919947 is about 246.1816964657.

The spelling of 14919947 in words is "fourteen million, nine hundred nineteen thousand, nine hundred forty-seven".