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12477 = 34159

12477 has 4 divisors (see below), whose sum is σ = 16640. Its totient is φ = 8316.

The previous prime is 12473. The next prime is 12479. The reversal of 12477 is 77421.

Multipling 12477 by its product of digits (392), we get a palindrome (4890984).

Adding to 12477 its reverse (77421), we get a palindrome (89898).

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 not a de Polignac number, because 12477 - 22 = 12473 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 10 and base 13.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 12477.

It is not an unprimeable number, because it can be changed into a prime (12473) 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, 2077 + ... + 2082.

It is an arithmetic number, because the mean of its divisors is an integer number (4160).

212477 is an apocalyptic number.

It is an amenable number.

12477 is a deficient number, since it is larger than the sum of its proper divisors (4163).

12477 is an equidigital number, since it uses as much as digits as its factorization.

12477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4162.

The product of its digits is 392, while the sum is 21.

The square root of 12477 is about 111.7004923892. The cubic root of 12477 is about 23.1937012231.

The spelling of 12477 in words is "twelve thousand, four hundred seventy-seven", and thus it is an iban number.

Divisors: 1 3 4159 12477