14681457 has 24 divisors (see below), whose sum is σ = 24338496. Its totient is φ = 8354016.

The previous prime is 14681441. The next prime is 14681473. The reversal of 14681457 is 75418641.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14681441) and next prime (14681473).

It is not a de Polignac number, because 14681457 - 2⁴ = 14681441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14681657) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24718 + ... + 25304.

It is an arithmetic number, because the mean of its divisors is an integer number (1014104).

Almost surely, 2^14681457 is an apocalyptic number.

It is an amenable number.

14681457 is a deficient number, since it is larger than the sum of its proper divisors (9657039).

14681457 is a wasteful number, since it uses less digits than its factorization.

14681457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 994 counting only the distinct ones).

The product of its digits is 26880, while the sum is 36.

The square root of 14681457 is about 3831.6389443683. The cubic root of 14681457 is about 244.8629359681.

The spelling of 14681457 in words is "fourteen million, six hundred eighty-one thousand, four hundred fifty-seven".