13818072 has 16 divisors (see below), whose sum is σ = 34545240. Its totient is φ = 4606016.

The previous prime is 13818071. The next prime is 13818109. The reversal of 13818072 is 27081831.

It is a happy number.

13818072 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13818072² = 381878227594368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13818071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 287853 + ... + 287900.

Almost surely, 2^13818072 is an apocalyptic number.

13818072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13818072 is an abundant number, since it is smaller than the sum of its proper divisors (20727168).

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

13818072 is a wasteful number, since it uses less digits than its factorization.

13818072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575762 (or 575758 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 13818072 is about 3717.2667378062. The cubic root of 13818072 is about 239.9656895396.

It can be divided in two parts, 1381 and 8072, that added together give a triangular number (9453 = T₁₃₇).

The spelling of 13818072 in words is "thirteen million, eight hundred eighteen thousand, seventy-two".