13444650 has 96 divisors (see below), whose sum is σ = 38747520. Its totient is φ = 3421440.

The previous prime is 13444643. The next prime is 13444663. The reversal of 13444650 is 5644431.

13444650 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 4 + 650 = 666.

It is a super-2 number, since 2×13444650² = 361517227245000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30834 + ... + 31266.

It is an arithmetic number, because the mean of its divisors is an integer number (403620).

Almost surely, 2^13444650 is an apocalyptic number.

13444650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13444650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19373760).

13444650 is an abundant number, since it is smaller than the sum of its proper divisors (25302870).

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

13444650 is a wasteful number, since it uses less digits than its factorization.

13444650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477 (or 466 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 13444650 is about 3666.6946968626. The cubic root of 13444650 is about 237.7842948269.

The spelling of 13444650 in words is "thirteen million, four hundred forty-four thousand, six hundred fifty".