13267973 has 4 divisors (see below), whose sum is σ = 14048460. Its totient is φ = 12487488.

The previous prime is 13267963. The next prime is 13267981. The reversal of 13267973 is 37976231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4255969 + 9012004 = 2063^2 + 3002^2 .

It is a cyclic number.

It is not a de Polignac number, because 13267973 - 2⁴ = 13267957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13267963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390218 + ... + 390251.

It is an arithmetic number, because the mean of its divisors is an integer number (3512115).

Almost surely, 2^13267973 is an apocalyptic number.

It is an amenable number.

13267973 is a deficient number, since it is larger than the sum of its proper divisors (780487).

13267973 is an equidigital number, since it uses as much as digits as its factorization.

13267973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780486.

The product of its digits is 47628, while the sum is 38.

The square root of 13267973 is about 3642.5228894271. The cubic root of 13267973 is about 236.7381192264.

The spelling of 13267973 in words is "thirteen million, two hundred sixty-seven thousand, nine hundred seventy-three".