13444669 has 24 divisors (see below), whose sum is σ = 16547328. Its totient is φ = 10876320.

The previous prime is 13444663. The next prime is 13444721. The reversal of 13444669 is 96644431.

It is not a de Polignac number, because 13444669 - 2⁹ = 13444157 is a prime.

It is a super-2 number, since 2×13444669² = 361518249039122, which contains 22 as substring.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80424 + ... + 80590.

It is an arithmetic number, because the mean of its divisors is an integer number (689472).

Almost surely, 2^13444669 is an apocalyptic number.

It is an amenable number.

13444669 is a deficient number, since it is larger than the sum of its proper divisors (3102659).

13444669 is a wasteful number, since it uses less digits than its factorization.

13444669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 258 counting only the distinct ones).

The product of its digits is 62208, while the sum is 37.

The square root of 13444669 is about 3666.6972877509. The cubic root of 13444669 is about 237.7844068393.

The spelling of 13444669 in words is "thirteen million, four hundred forty-four thousand, six hundred sixty-nine".