14864981 has 2 divisors, whose sum is σ = 14864982. Its totient is φ = 14864980.

The previous prime is 14864951. The next prime is 14864989. The reversal of 14864981 is 18946841.

14864981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14326225 + 538756 = 3785^2 + 734^2 .

It is a cyclic number.

It is not a de Polignac number, because 14864981 - 2¹⁸ = 14602837 is a prime.

It is a super-2 number, since 2×14864981² = 441935320260722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14864989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7432490 + 7432491.

It is an arithmetic number, because the mean of its divisors is an integer number (7432491).

Almost surely, 2^14864981 is an apocalyptic number.

It is an amenable number.

14864981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14864981 is an equidigital number, since it uses as much as digits as its factorization.

14864981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 41.

The square root of 14864981 is about 3855.5130657281. The cubic root of 14864981 is about 245.8790082964.

The spelling of 14864981 in words is "fourteen million, eight hundred sixty-four thousand, nine hundred eighty-one".