13366973 has 4 divisors (see below), whose sum is σ = 13455648. Its totient is φ = 13278300.

The previous prime is 13366967. The next prime is 13367017. The reversal of 13366973 is 37966331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 37966331 = 13 ⋅2920487.

It is a cyclic number.

It is not a de Polignac number, because 13366973 - 2⁶ = 13366909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13366963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44111 + ... + 44412.

It is an arithmetic number, because the mean of its divisors is an integer number (3363912).

Almost surely, 2^13366973 is an apocalyptic number.

It is an amenable number.

13366973 is a deficient number, since it is larger than the sum of its proper divisors (88675).

13366973 is an equidigital number, since it uses as much as digits as its factorization.

13366973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88674.

The product of its digits is 61236, while the sum is 38.

The square root of 13366973 is about 3656.0871160299. The cubic root of 13366973 is about 237.3254739977.

The spelling of 13366973 in words is "thirteen million, three hundred sixty-six thousand, nine hundred seventy-three".