14191977 has 8 divisors (see below), whose sum is σ = 19189440. Its totient is φ = 9327920.

The previous prime is 14191939. The next prime is 14191981. The reversal of 14191977 is 77919141.

14191977 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 14191977 - 2⁶ = 14191913 is a prime.

It is a super-2 number, since 2×14191977² = 402824422337058, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14191907) 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, 33102 + ... + 33527.

It is an arithmetic number, because the mean of its divisors is an integer number (2398680).

Almost surely, 2^14191977 is an apocalyptic number.

It is an amenable number.

14191977 is a deficient number, since it is larger than the sum of its proper divisors (4997463).

14191977 is an equidigital number, since it uses as much as digits as its factorization.

14191977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66703.

The product of its digits is 15876, while the sum is 39.

The square root of 14191977 is about 3767.2240443064. The cubic root of 14191977 is about 242.1108762694.

The spelling of 14191977 in words is "fourteen million, one hundred ninety-one thousand, nine hundred seventy-seven".