13444630 has 8 divisors (see below), whose sum is σ = 24200352. Its totient is φ = 5377848.

The previous prime is 13444621. The next prime is 13444633. The reversal of 13444630 is 3644431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13444595 and 13444604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444633) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 672222 + ... + 672241.

It is an arithmetic number, because the mean of its divisors is an integer number (3025044).

Almost surely, 2^13444630 is an apocalyptic number.

13444630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13444630 is a deficient number, since it is larger than the sum of its proper divisors (10755722).

13444630 is a wasteful number, since it uses less digits than its factorization.

13444630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344470.

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

The square root of 13444630 is about 3666.6919696097. The cubic root of 13444630 is about 237.7841769191.

The spelling of 13444630 in words is "thirteen million, four hundred forty-four thousand, six hundred thirty".