14900981 has 4 divisors (see below), whose sum is σ = 15153600. Its totient is φ = 14648364.

The previous prime is 14900969. The next prime is 14900989. The reversal of 14900981 is 18900941.

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, and also an emirpimes, since its reverse is a distinct semiprime: 18900941 = 73 ⋅258917.

It is a cyclic number.

It is not a de Polignac number, because 14900981 - 2²² = 10706677 is a prime.

It is a super-2 number, since 2×14900981² = 444078469524722, 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 (14900989) 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, 126221 + ... + 126338.

It is an arithmetic number, because the mean of its divisors is an integer number (3788400).

Almost surely, 2^14900981 is an apocalyptic number.

It is an amenable number.

14900981 is a deficient number, since it is larger than the sum of its proper divisors (252619).

14900981 is an equidigital number, since it uses as much as digits as its factorization.

14900981 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252618.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 14900981 is about 3860.1788818655. The cubic root of 14900981 is about 246.0773381443.

The spelling of 14900981 in words is "fourteen million, nine hundred thousand, nine hundred eighty-one".