13828172 has 12 divisors (see below), whose sum is σ = 24264240. Its totient is φ = 6895536.

The previous prime is 13828169. The next prime is 13828183. The reversal of 13828172 is 27182831.

It is a super-3 number, since 3×13828172³ (a number of 22 digits) contains 333 as substring.

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, 2888 + ... + 5999.

It is an arithmetic number, because the mean of its divisors is an integer number (2022020).

Almost surely, 2^13828172 is an apocalyptic number.

It is an amenable number.

13828172 is a deficient number, since it is larger than the sum of its proper divisors (10436068).

13828172 is a wasteful number, since it uses less digits than its factorization.

13828172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9280 (or 9278 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 13828172 is about 3718.6250147064. The cubic root of 13828172 is about 240.0241410901.

The spelling of 13828172 in words is "thirteen million, eight hundred twenty-eight thousand, one hundred seventy-two".