14901281 has 4 divisors (see below), whose sum is σ = 15038100. Its totient is φ = 14764464.

The previous prime is 14901251. The next prime is 14901283. The reversal of 14901281 is 18210941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 18210941 = 7 ⋅2601563.

It can be written as a sum of positive squares in 2 ways, for example, as 10240000 + 4661281 = 3200^2 + 2159^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14901281 is a prime.

It is a super-2 number, since 2×14901281² = 444096350881922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14901281.

It is not an unprimeable number, because it can be changed into a prime (14901283) 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, 68246 + ... + 68463.

It is an arithmetic number, because the mean of its divisors is an integer number (3759525).

Almost surely, 2^14901281 is an apocalyptic number.

It is an amenable number.

14901281 is a deficient number, since it is larger than the sum of its proper divisors (136819).

14901281 is a wasteful number, since it uses less digits than its factorization.

14901281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136818.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 14901281 is about 3860.2177399727. The cubic root of 14901281 is about 246.0789895502.

The spelling of 14901281 in words is "fourteen million, nine hundred one thousand, two hundred eighty-one".