13330444 has 6 divisors (see below), whose sum is σ = 23328284. Its totient is φ = 6665220.

The previous prime is 13330439. The next prime is 13330451. The reversal of 13330444 is 44403331.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1666302 + ... + 1666309.

Almost surely, 2^13330444 is an apocalyptic number.

It is an amenable number.

13330444 is a deficient number, since it is larger than the sum of its proper divisors (9997840).

13330444 is a wasteful number, since it uses less digits than its factorization.

13330444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332615 (or 3332613 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 13330444 is about 3651.0880570044. The cubic root of 13330444 is about 237.1090906446.

Adding to 13330444 its reverse (44403331), we get a palindrome (57733775).

It can be divided in two parts, 13330 and 444, that multiplied together give a triangular number (5918520 = T₃₄₄₀).

The spelling of 13330444 in words is "thirteen million, three hundred thirty thousand, four hundred forty-four".