13623912 has 96 divisors (see below), whose sum is σ = 40622400. Its totient is φ = 4105728.

The previous prime is 13623901. The next prime is 13623943. The reversal of 13623912 is 21932631.

It is a super-2 number, since 2×13623912² = 371221956367488, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 31248 + ... + 31680.

It is an arithmetic number, because the mean of its divisors is an integer number (423150).

Almost surely, 2^13623912 is an apocalyptic number.

13623912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13623912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20311200).

13623912 is an abundant number, since it is smaller than the sum of its proper divisors (26998488).

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

13623912 is a wasteful number, since it uses less digits than its factorization.

13623912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 480 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13623912 is about 3691.0583847997. The cubic root of 13623912 is about 238.8364514274.

It can be divided in two parts, 13623 and 912, that added together give a triangular number (14535 = T₁₇₀).

The spelling of 13623912 in words is "thirteen million, six hundred twenty-three thousand, nine hundred twelve".