12267481 has 4 divisors (see below), whose sum is σ = 12275200. Its totient is φ = 12259764.

The previous prime is 12267469. The next prime is 12267503. The reversal of 12267481 is 18476221.

12267481 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 18476221 = 283 ⋅65287.

It is a cyclic number.

It is not a de Polignac number, because 12267481 - 2⁵ = 12267449 is a prime.

It is a super-3 number, since 3×12267481³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12267401) 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, 501 + ... + 4978.

It is an arithmetic number, because the mean of its divisors is an integer number (3068800).

Almost surely, 2^12267481 is an apocalyptic number.

It is an amenable number.

12267481 is a deficient number, since it is larger than the sum of its proper divisors (7719).

12267481 is an equidigital number, since it uses as much as digits as its factorization.

12267481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7718.

The product of its digits is 5376, while the sum is 31.

The square root of 12267481 is about 3502.4963954300. The cubic root of 12267481 is about 230.6314155965.

The spelling of 12267481 in words is "twelve million, two hundred sixty-seven thousand, four hundred eighty-one".