12446620305 has 32 divisors (see below), whose sum is σ = 23314652928. Its totient is φ = 5551104000.

The previous prime is 12446620297. The next prime is 12446620313. The reversal of 12446620305 is 50302664421.

It is an interprime number because it is at equal distance from previous prime (12446620297) and next prime (12446620313).

It is not a de Polignac number, because 12446620305 - 2³ = 12446620297 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1441296 + ... + 1449905.

It is an arithmetic number, because the mean of its divisors is an integer number (728582904).

Almost surely, 2^12446620305 is an apocalyptic number.

12446620305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12446620305 is a deficient number, since it is larger than the sum of its proper divisors (10868032623).

12446620305 is a wasteful number, since it uses less digits than its factorization.

12446620305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2891257.

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 12446620305 in words is "twelve billion, four hundred forty-six million, six hundred twenty thousand, three hundred five".