14998981 has 8 divisors (see below), whose sum is σ = 15989184. Its totient is φ = 14020800.

The previous prime is 14998979. The next prime is 14999011. The reversal of 14998981 is 18989941.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14998981 - 2¹ = 14998979 is a prime.

It is a super-2 number, since 2×14998981² = 449938862076722, 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 (14998901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355 + ... + 5488.

It is an arithmetic number, because the mean of its divisors is an integer number (1998648).

Almost surely, 2^14998981 is an apocalyptic number.

It is an amenable number.

14998981 is a deficient number, since it is larger than the sum of its proper divisors (990203).

14998981 is a wasteful number, since it uses less digits than its factorization.

14998981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its digits is 186624, while the sum is 49.

The square root of 14998981 is about 3872.8517916388. The cubic root of 14998981 is about 246.6156227064.

The spelling of 14998981 in words is "fourteen million, nine hundred ninety-eight thousand, nine hundred eighty-one".