13444830 has 48 divisors (see below), whose sum is σ = 39952224. Its totient is φ = 3072960.

The previous prime is 13444829. The next prime is 13444859. The reversal of 13444830 is 3844431.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 13444794 and 13444803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10041 + ... + 11300.

It is an arithmetic number, because the mean of its divisors is an integer number (832338).

Almost surely, 2^13444830 is an apocalyptic number.

13444830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13444830 is an abundant number, since it is smaller than the sum of its proper divisors (26507394).

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

13444830 is a wasteful number, since it uses less digits than its factorization.

13444830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21361 (or 21358 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 13444830 is about 3666.7192420473. The cubic root of 13444830 is about 237.7853559921.

The spelling of 13444830 in words is "thirteen million, four hundred forty-four thousand, eight hundred thirty".