12415604620406 has 32 divisors (see below), whose sum is σ = 20359720731168. Its totient is φ = 5643719020800.

The previous prime is 12415604620357. The next prime is 12415604620409. The reversal of 12415604620406 is 60402640651421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12415604620409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3335276 + ... + 5996271.

It is an arithmetic number, because the mean of its divisors is an integer number (636241272849).

Almost surely, 2^{12415604620406} is an apocalyptic number.

12415604620406 is a deficient number, since it is larger than the sum of its proper divisors (7944116110762).

12415604620406 is a wasteful number, since it uses less digits than its factorization.

12415604620406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9332336.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 12415604620406 in words is "twelve trillion, four hundred fifteen billion, six hundred four million, six hundred twenty thousand, four hundred six".