12872477 has 4 divisors (see below), whose sum is σ = 12933696. Its totient is φ = 12811260.

The previous prime is 12872473. The next prime is 12872507. The reversal of 12872477 is 77427821.

It is a happy number.

12872477 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 12872477 - 2² = 12872473 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12872477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872473) 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, 30293 + ... + 30714.

It is an arithmetic number, because the mean of its divisors is an integer number (3233424).

Almost surely, 2^12872477 is an apocalyptic number.

It is an amenable number.

12872477 is a deficient number, since it is larger than the sum of its proper divisors (61219).

12872477 is an equidigital number, since it uses as much as digits as its factorization.

12872477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61218.

The product of its digits is 43904, while the sum is 38.

The square root of 12872477 is about 3587.8234348975. The cubic root of 12872477 is about 234.3620967593.

The spelling of 12872477 in words is "twelve million, eight hundred seventy-two thousand, four hundred seventy-seven".