13872124 has 12 divisors (see below), whose sum is σ = 27744304. Its totient is φ = 5945184.

The previous prime is 13872113. The next prime is 13872137. The reversal of 13872124 is 42127831.

13872124 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 495433 = 13872124 / (1 + 3 + 8 + 7 + 2 + 1 + 2 + 4).

It is a junction number, because it is equal to n+sod(n) for n = 13872092 and 13872101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 247689 + ... + 247744.

Almost surely, 2^13872124 is an apocalyptic number.

13872124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13872124 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13872124 is a wasteful number, since it uses less digits than its factorization.

13872124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495444 (or 495442 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 13872124 is about 3724.5300374678. The cubic root of 13872124 is about 240.2781728286.

Adding to 13872124 its reverse (42127831), we get a palindrome (55999955).

The spelling of 13872124 in words is "thirteen million, eight hundred seventy-two thousand, one hundred twenty-four".