14959681 has 4 divisors (see below), whose sum is σ = 16319664. Its totient is φ = 13599700.

The previous prime is 14959673. The next prime is 14959691. The reversal of 14959681 is 18695941.

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.

It is a cyclic number.

It is not a de Polignac number, because 14959681 - 2³ = 14959673 is a prime.

It is a super-2 number, since 2×14959681² = 447584111243522, which contains 22 as substring.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (14959601) 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, 679975 + ... + 679996.

It is an arithmetic number, because the mean of its divisors is an integer number (4079916).

Almost surely, 2^14959681 is an apocalyptic number.

14959681 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14959681 is a deficient number, since it is larger than the sum of its proper divisors (1359983).

14959681 is a wasteful number, since it uses less digits than its factorization.

14959681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1359982.

The product of its digits is 77760, while the sum is 43.

The square root of 14959681 is about 3867.7746831996. The cubic root of 14959681 is about 246.4000420339.

The spelling of 14959681 in words is "fourteen million, nine hundred fifty-nine thousand, six hundred eighty-one".