12406257794 has 32 divisors (see below), whose sum is σ = 21371682816. Its totient is φ = 5291082000.

The previous prime is 12406257761. The next prime is 12406257817. The reversal of 12406257794 is 49775260421.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2608919 + ... + 2613669.

It is an arithmetic number, because the mean of its divisors is an integer number (667865088).

Almost surely, 2^12406257794 is an apocalyptic number.

12406257794 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12406257794 is a deficient number, since it is larger than the sum of its proper divisors (8965425022).

12406257794 is a wasteful number, since it uses less digits than its factorization.

12406257794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5630.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 12406257794 in words is "twelve billion, four hundred six million, two hundred fifty-seven thousand, seven hundred ninety-four".