14921530 has 16 divisors (see below), whose sum is σ = 28925064. Its totient is φ = 5509440.

The previous prime is 14921521. The next prime is 14921539. The reversal of 14921530 is 3512941.

It is an interprime number because it is at equal distance from previous prime (14921521) and next prime (14921539).

It can be written as a sum of positive squares in 4 ways, for example, as 3972049 + 10949481 = 1993^2 + 3309^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14921495 and 14921504.

It is not an unprimeable number, because it can be changed into a prime (14921539) 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, 57261 + ... + 57520.

Almost surely, 2^14921530 is an apocalyptic number.

14921530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14921530 is a deficient number, since it is larger than the sum of its proper divisors (14003534).

14921530 is a wasteful number, since it uses less digits than its factorization.

14921530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114801.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 14921530 is about 3862.8396290812. The cubic root of 14921530 is about 246.1904027488.

It can be divided in two parts, 14921 and 530, that added together give a palindrome (15451).

The spelling of 14921530 in words is "fourteen million, nine hundred twenty-one thousand, five hundred thirty".