12596438890 has 16 divisors (see below), whose sum is σ = 25912674432. Its totient is φ = 4318779024.

The previous prime is 12596438863. The next prime is 12596438923. The reversal of 12596438890 is 9883469521.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89974494 + ... + 89974633.

It is an arithmetic number, because the mean of its divisors is an integer number (1619542152).

Almost surely, 2^12596438890 is an apocalyptic number.

12596438890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12596438890 is an abundant number, since it is smaller than the sum of its proper divisors (13316235542).

12596438890 is a wasteful number, since it uses less digits than its factorization.

12596438890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179949141.

The product of its (nonzero) digits is 3732480, while the sum is 55.

The spelling of 12596438890 in words is "twelve billion, five hundred ninety-six million, four hundred thirty-eight thousand, eight hundred ninety".