14864657 has 4 divisors (see below), whose sum is σ = 15001140. Its totient is φ = 14728176.

The previous prime is 14864653. The next prime is 14864699. The reversal of 14864657 is 75646841.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75646841 = 353 ⋅214297.

It can be written as a sum of positive squares in 2 ways, for example, as 11566801 + 3297856 = 3401^2 + 1816^2 .

It is a cyclic number.

It is not a de Polignac number, because 14864657 - 2² = 14864653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14864653) 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, 68078 + ... + 68295.

It is an arithmetic number, because the mean of its divisors is an integer number (3750285).

Almost surely, 2^14864657 is an apocalyptic number.

It is an amenable number.

14864657 is a deficient number, since it is larger than the sum of its proper divisors (136483).

14864657 is a wasteful number, since it uses less digits than its factorization.

14864657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136482.

The product of its digits is 161280, while the sum is 41.

The square root of 14864657 is about 3855.4710477450. The cubic root of 14864657 is about 245.8772218746.

The spelling of 14864657 in words is "fourteen million, eight hundred sixty-four thousand, six hundred fifty-seven".