14967981 has 18 divisors (see below), whose sum is σ = 25151022. Its totient is φ = 8552880.

The previous prime is 14967977. The next prime is 14968003. The reversal of 14967981 is 18976941.

It is a happy number.

14967981 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 only one way, i.e., 12744900 + 2223081 = 3570^2 + 1491^2 .

It is not a de Polignac number, because 14967981 - 2² = 14967977 is a prime.

It is a super-2 number, since 2×14967981² = 448080910432722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14967941) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 16530 + ... + 17411.

It is an arithmetic number, because the mean of its divisors is an integer number (1397279).

Almost surely, 2^14967981 is an apocalyptic number.

It is an amenable number.

14967981 is a deficient number, since it is larger than the sum of its proper divisors (10183041).

14967981 is a wasteful number, since it uses less digits than its factorization.

14967981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33961 (or 33951 counting only the distinct ones).

The product of its digits is 108864, while the sum is 45.

The square root of 14967981 is about 3868.8475028101. The cubic root of 14967981 is about 246.4456032157.

The spelling of 14967981 in words is "fourteen million, nine hundred sixty-seven thousand, nine hundred eighty-one".