13489530 has 32 divisors (see below), whose sum is σ = 33130944. Its totient is φ = 3513216.

The previous prime is 13489529. The next prime is 13489537. The reversal of 13489530 is 3598431.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13489491 and 13489500.

It is not an unprimeable number, because it can be changed into a prime (13489537) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3939 + ... + 6518.

It is an arithmetic number, because the mean of its divisors is an integer number (1035342).

Almost surely, 2^13489530 is an apocalyptic number.

13489530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13489530 is an abundant number, since it is smaller than the sum of its proper divisors (19641414).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13489530 is a wasteful number, since it uses less digits than its factorization.

13489530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10510.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 13489530 is about 3672.8095512836. The cubic root of 13489530 is about 238.0485859898.

It can be divided in two parts, 1348 and 9530, that added together give a triangular number (10878 = T₁₄₇).

The spelling of 13489530 in words is "thirteen million, four hundred eighty-nine thousand, five hundred thirty".