12479081 has 4 divisors (see below), whose sum is σ = 12881664. Its totient is φ = 12076500.

The previous prime is 12479069. The next prime is 12479099. The reversal of 12479081 is 18097421.

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: 18097421 = 29 ⋅624049.

It is a cyclic number.

It is not a de Polignac number, because 12479081 - 2¹⁰ = 12478057 is a prime.

It is a super-2 number, since 2×12479081² = 311454925209122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (12479011) 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, 201245 + ... + 201306.

It is an arithmetic number, because the mean of its divisors is an integer number (3220416).

Almost surely, 2^12479081 is an apocalyptic number.

It is an amenable number.

12479081 is a deficient number, since it is larger than the sum of its proper divisors (402583).

12479081 is an equidigital number, since it uses as much as digits as its factorization.

12479081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402582.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 12479081 is about 3532.5742738122. The cubic root of 12479081 is about 231.9499061979.

The spelling of 12479081 in words is "twelve million, four hundred seventy-nine thousand, eighty-one".