13955216 has 40 divisors (see below), whose sum is σ = 30307584. Its totient is φ = 6168960.

The previous prime is 13955213. The next prime is 13955219. The reversal of 13955216 is 61255931.

It is an interprime number because it is at equal distance from previous prime (13955213) and next prime (13955219).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13955213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5441 + ... + 7583.

Almost surely, 2^13955216 is an apocalyptic number.

13955216 is a gapful number since it is divisible by the number (16) 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 13955216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15153792).

13955216 is an abundant number, since it is smaller than the sum of its proper divisors (16352368).

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

13955216 is a wasteful number, since it uses less digits than its factorization.

13955216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2199 (or 2193 counting only the distinct ones).

The product of its digits is 8100, while the sum is 32.

The square root of 13955216 is about 3735.6680794739. The cubic root of 13955216 is about 240.7569618781.

It can be divided in two parts, 139 and 55216, that added together give a palindrome (55355).

The spelling of 13955216 in words is "thirteen million, nine hundred fifty-five thousand, two hundred sixteen".