14737921 has 9 divisors (see below), whose sum is σ = 16246083. Its totient is φ = 13359720.

The previous prime is 14737913. The next prime is 14737937. The reversal of 14737921 is 12973741.

The square root of 14737921 is 3839.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 3920400 = 3289^2 + 1980^2 .

It is not a de Polignac number, because 14737921 - 2³ = 14737913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14737991) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 42055 + ... + 42403.

Almost surely, 2^14737921 is an apocalyptic number.

14737921 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

14737921 is the 3839-th square number.

14737921 is the 1920-th centered octagonal number.

It is an amenable number.

14737921 is a deficient number, since it is larger than the sum of its proper divisors (1508162).

14737921 is an frugal number, since it uses more digits than its factorization.

14737921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720 (or 360 counting only the distinct ones).

The product of its digits is 10584, while the sum is 34.

The cubic root of 14737921 is about 245.1764437717.

The spelling of 14737921 in words is "fourteen million, seven hundred thirty-seven thousand, nine hundred twenty-one".