14912657 has 4 divisors (see below), whose sum is σ = 14930916. Its totient is φ = 14894400.

The previous prime is 14912633. The next prime is 14912713. The reversal of 14912657 is 75621941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75621941 = 73 ⋅1035917.

It can be written as a sum of positive squares in 2 ways, for example, as 11669056 + 3243601 = 3416^2 + 1801^2 .

It is a cyclic number.

It is not a de Polignac number, because 14912657 - 2¹² = 14908561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14912057) 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, 7844 + ... + 9557.

It is an arithmetic number, because the mean of its divisors is an integer number (3732729).

Almost surely, 2^14912657 is an apocalyptic number.

It is an amenable number.

14912657 is a deficient number, since it is larger than the sum of its proper divisors (18259).

14912657 is an equidigital number, since it uses as much as digits as its factorization.

14912657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18258.

The product of its digits is 15120, while the sum is 35.

The square root of 14912657 is about 3861.6909508660. The cubic root of 14912657 is about 246.1415945149.

The spelling of 14912657 in words is "fourteen million, nine hundred twelve thousand, six hundred fifty-seven".