12458381406 has 8 divisors (see below), whose sum is σ = 24916762824. Its totient is φ = 4152793800.

The previous prime is 12458381381. The next prime is 12458381417. The reversal of 12458381406 is 60418385421.

It is a happy number.

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

12458381406 is an admirable number.

It is a super-2 number, since 2×12458381406² (a number of 21 digits) contains 22 as substring.

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, 1038198445 + ... + 1038198456.

It is an arithmetic number, because the mean of its divisors is an integer number (3114595353).

Almost surely, 2^12458381406 is an apocalyptic number.

12458381406 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12458381406 is a wasteful number, since it uses less digits than its factorization.

12458381406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076396906.

The product of its (nonzero) digits is 184320, while the sum is 42.

The spelling of 12458381406 in words is "twelve billion, four hundred fifty-eight million, three hundred eighty-one thousand, four hundred six".