12407477 has 2 divisors, whose sum is σ = 12407478. Its totient is φ = 12407476.

The previous prime is 12407453. The next prime is 12407509. The reversal of 12407477 is 77470421.

12407477 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (12407509) can be obtained adding 12407477 to its sum of digits (32).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9278116 + 3129361 = 3046^2 + 1769^2 .

It is a cyclic number.

It is not a de Polignac number, because 12407477 - 2⁶ = 12407413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12407407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203738 + 6203739.

It is an arithmetic number, because the mean of its divisors is an integer number (6203739).

Almost surely, 2^12407477 is an apocalyptic number.

It is an amenable number.

12407477 is a deficient number, since it is larger than the sum of its proper divisors (1).

12407477 is an equidigital number, since it uses as much as digits as its factorization.

12407477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 32.

The square root of 12407477 is about 3522.4248749973. The cubic root of 12407477 is about 231.5054181006.

Adding to 12407477 its reverse (77470421), we get a palindrome (89877898).

The spelling of 12407477 in words is "twelve million, four hundred seven thousand, four hundred seventy-seven".