13872530 has 16 divisors (see below), whose sum is σ = 28537920. Its totient is φ = 4756272.

The previous prime is 13872517. The next prime is 13872533. The reversal of 13872530 is 3527831.

It is a junction number, because it is equal to n+sod(n) for n = 13872493 and 13872502.

It is not an unprimeable number, because it can be changed into a prime (13872533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99020 + ... + 99159.

It is an arithmetic number, because the mean of its divisors is an integer number (1783620).

Almost surely, 2^13872530 is an apocalyptic number.

13872530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13872530 is an abundant number, since it is smaller than the sum of its proper divisors (14665390).

13872530 is a wasteful number, since it uses less digits than its factorization.

13872530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198193.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 13872530 is about 3724.5845405897. The cubic root of 13872530 is about 240.2805169058.

The spelling of 13872530 in words is "thirteen million, eight hundred seventy-two thousand, five hundred thirty".