13326669 has 6 divisors (see below), whose sum is σ = 19249646. Its totient is φ = 8884440.

The previous prime is 13326653. The next prime is 13326671. The reversal of 13326669 is 96662331.

It can be written as a sum of positive squares in only one way, i.e., 13176900 + 149769 = 3630^2 + 387^2 .

It is not a de Polignac number, because 13326669 - 2⁴ = 13326653 is a prime.

It is a super-2 number, since 2×13326669² = 355200213271122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13326679) 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 5 ways as a sum of consecutive naturals, for example, 740362 + ... + 740379.

Almost surely, 2^13326669 is an apocalyptic number.

It is an amenable number.

13326669 is a deficient number, since it is larger than the sum of its proper divisors (5922977).

13326669 is a wasteful number, since it uses less digits than its factorization.

13326669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480747 (or 1480744 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 13326669 is about 3650.5710512192. The cubic root of 13326669 is about 237.0867065109.

It can be divided in two parts, 1332 and 6669, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 13326669 in words is "thirteen million, three hundred twenty-six thousand, six hundred sixty-nine".