14930981 has 12 divisors (see below), whose sum is σ = 17122212. Its totient is φ = 12969216.

The previous prime is 14930977. The next prime is 14930989. The reversal of 14930981 is 18903941.

14930981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 1018081 + 13912900 = 1009^2 + 3730^2 .

It is not a de Polignac number, because 14930981 - 2² = 14930977 is a prime.

It is a super-2 number, since 2×14930981² = 445868387244722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14930989) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275 + ... + 5471.

It is an arithmetic number, because the mean of its divisors is an integer number (1426851).

Almost surely, 2^14930981 is an apocalyptic number.

It is an amenable number.

14930981 is a deficient number, since it is larger than the sum of its proper divisors (2191231).

14930981 is a wasteful number, since it uses less digits than its factorization.

14930981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5240 (or 5227 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 14930981 is about 3864.0627582895. The cubic root of 14930981 is about 246.2423691452.

The spelling of 14930981 in words is "fourteen million, nine hundred thirty thousand, nine hundred eighty-one".