14813657 has 4 divisors (see below), whose sum is σ = 14822016. Its totient is φ = 14805300.

The previous prime is 14813641. The next prime is 14813663. The reversal of 14813657 is 75631841.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 75631841 = 83 ⋅911227.

It is a cyclic number.

It is not a de Polignac number, because 14813657 - 2⁴ = 14813641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14813627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (3705504).

Almost surely, 2^14813657 is an apocalyptic number.

It is an amenable number.

14813657 is a deficient number, since it is larger than the sum of its proper divisors (8359).

14813657 is an equidigital number, since it uses as much as digits as its factorization.

14813657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8358.

The product of its digits is 20160, while the sum is 35.

The square root of 14813657 is about 3848.8513871024. The cubic root of 14813657 is about 245.5957016033.

The spelling of 14813657 in words is "fourteen million, eight hundred thirteen thousand, six hundred fifty-seven".