12477613 has 4 divisors (see below), whose sum is σ = 12567520. Its totient is φ = 12387708.

The previous prime is 12477589. The next prime is 12477637. The reversal of 12477613 is 31677421.

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 an interprime number because it is at equal distance from previous prime (12477589) and next prime (12477637).

It is a cyclic number.

It is not a de Polignac number, because 12477613 - 2⁵ = 12477581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477683) 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, 44745 + ... + 45022.

It is an arithmetic number, because the mean of its divisors is an integer number (3141880).

Almost surely, 2^12477613 is an apocalyptic number.

It is an amenable number.

12477613 is a deficient number, since it is larger than the sum of its proper divisors (89907).

12477613 is an equidigital number, since it uses as much as digits as its factorization.

12477613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89906.

The product of its digits is 7056, while the sum is 31.

The square root of 12477613 is about 3532.3664872151. The cubic root of 12477613 is about 231.9408105544.

The spelling of 12477613 in words is "twelve million, four hundred seventy-seven thousand, six hundred thirteen".