14749281 has 6 divisors (see below), whose sum is σ = 21304530. Its totient is φ = 9832848.

The previous prime is 14749277. The next prime is 14749289. The reversal of 14749281 is 18294741.

It can be written as a sum of positive squares in only one way, i.e., 12362256 + 2387025 = 3516^2 + 1545^2 .

It is not a de Polignac number, because 14749281 - 2² = 14749277 is a prime.

It is a super-2 number, since 2×14749281² = 435082580033922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14749289) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 819396 + ... + 819413.

It is an arithmetic number, because the mean of its divisors is an integer number (3550755).

Almost surely, 2^14749281 is an apocalyptic number.

It is an amenable number.

14749281 is a deficient number, since it is larger than the sum of its proper divisors (6555249).

14749281 is a wasteful number, since it uses less digits than its factorization.

14749281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1638815 (or 1638812 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 14749281 is about 3840.4792669666. The cubic root of 14749281 is about 245.2394216525.

The spelling of 14749281 in words is "fourteen million, seven hundred forty-nine thousand, two hundred eighty-one".