13867272 has 24 divisors (see below), whose sum is σ = 37557390. Its totient is φ = 4622400.

The previous prime is 13867241. The next prime is 13867279. The reversal of 13867272 is 27276831.

13867272 is a `hidden beast` number, since 1 + 386 + 7 + 272 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13439556 + 427716 = 3666^2 + 654^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (13867279) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 96229 + ... + 96372.

Almost surely, 2^13867272 is an apocalyptic number.

13867272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13867272 is an abundant number, since it is smaller than the sum of its proper divisors (23690118).

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

13867272 is a wasteful number, since it uses less digits than its factorization.

13867272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192613 (or 192606 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 13867272 is about 3723.8786231562. The cubic root of 13867272 is about 240.2501558347.

The spelling of 13867272 in words is "thirteen million, eight hundred sixty-seven thousand, two hundred seventy-two".