13355244 has 108 divisors (see below), whose sum is σ = 40209624. Its totient is φ = 3725568.

The previous prime is 13355231. The next prime is 13355257. The reversal of 13355244 is 44255331.

13355244 is a `hidden beast` number, since 133 + 5 + 524 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (13355231) and next prime (13355257).

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 35 ways as a sum of consecutive naturals, for example, 118132 + ... + 118244.

Almost surely, 2^13355244 is an apocalyptic number.

13355244 is a gapful number since it is divisible by the number (14) 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 13355244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20104812).

13355244 is an abundant number, since it is smaller than the sum of its proper divisors (26854380).

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

13355244 is a wasteful number, since it uses less digits than its factorization.

13355244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 192 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 13355244 is about 3654.4827267344. The cubic root of 13355244 is about 237.2560390542.

The spelling of 13355244 in words is "thirteen million, three hundred fifty-five thousand, two hundred forty-four".