14886857 has 4 divisors (see below), whose sum is σ = 14895636. Its totient is φ = 14878080.

The previous prime is 14886847. The next prime is 14886863. The reversal of 14886857 is 75868841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11215801 + 3671056 = 3349^2 + 1916^2 .

It is a cyclic number.

It is not a de Polignac number, because 14886857 - 2⁶ = 14886793 is a prime.

It is a super-2 number, since 2×14886857² = 443237022676898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14886847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944 + ... + 5537.

It is an arithmetic number, because the mean of its divisors is an integer number (3723909).

Almost surely, 2^14886857 is an apocalyptic number.

It is an amenable number.

14886857 is a deficient number, since it is larger than the sum of its proper divisors (8779).

14886857 is an equidigital number, since it uses as much as digits as its factorization.

14886857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8778.

The product of its digits is 430080, while the sum is 47.

The square root of 14886857 is about 3858.3489992483. The cubic root of 14886857 is about 245.9995648526. Note that the first 3 decimals are identical.

The spelling of 14886857 in words is "fourteen million, eight hundred eighty-six thousand, eight hundred fifty-seven".