12603405406 has 8 divisors (see below), whose sum is σ = 19261808424. Its totient is φ = 6182802600.

The previous prime is 12603405341. The next prime is 12603405421. The reversal of 12603405406 is 60450430621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59449920 + ... + 59450131.

It is an arithmetic number, because the mean of its divisors is an integer number (2407726053).

Almost surely, 2^12603405406 is an apocalyptic number.

12603405406 is a deficient number, since it is larger than the sum of its proper divisors (6658403018).

12603405406 is a wasteful number, since it uses less digits than its factorization.

12603405406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118900106.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 12603405406 in words is "twelve billion, six hundred three million, four hundred five thousand, four hundred six".