13430644 has 36 divisors (see below), whose sum is σ = 25347168. Its totient is φ = 6224400.

The previous prime is 13430639. The next prime is 13430647. The reversal of 13430644 is 44603431.

It is a happy number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430647) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102459 + ... + 102589.

It is an arithmetic number, because the mean of its divisors is an integer number (704088).

Almost surely, 2^13430644 is an apocalyptic number.

It is an amenable number.

13430644 is a deficient number, since it is larger than the sum of its proper divisors (11916524).

13430644 is a wasteful number, since it uses less digits than its factorization.

13430644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 13430644 is about 3664.7843047033. The cubic root of 13430644 is about 237.7016953297.

The spelling of 13430644 in words is "thirteen million, four hundred thirty thousand, six hundred forty-four".