12477406 has 4 divisors (see below), whose sum is σ = 18716112. Its totient is φ = 6238702.

The previous prime is 12477403. The next prime is 12477449. The reversal of 12477406 is 60477421.

12477406 is nontrivially palindromic in base 5 and base 11.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12477403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3119350 + ... + 3119353.

It is an arithmetic number, because the mean of its divisors is an integer number (4679028).

Almost surely, 2^12477406 is an apocalyptic number.

12477406 is a deficient number, since it is larger than the sum of its proper divisors (6238706).

12477406 is an equidigital number, since it uses as much as digits as its factorization.

12477406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6238705.

The product of its (nonzero) digits is 9408, while the sum is 31.

The square root of 12477406 is about 3532.3371866230. The cubic root of 12477406 is about 231.9395279370.

The spelling of 12477406 in words is "twelve million, four hundred seventy-seven thousand, four hundred six".