12621080654 has 32 divisors (see below), whose sum is σ = 24052094976. Its totient is φ = 4831889760.

The previous prime is 12621080569. The next prime is 12621080663. The reversal of 12621080654 is 45608012621.

It is a Curzon number.

It is a congruent 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, 1112852 + ... + 1124135.

It is an arithmetic number, because the mean of its divisors is an integer number (751627968).

Almost surely, 2^12621080654 is an apocalyptic number.

12621080654 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12621080654 is a deficient number, since it is larger than the sum of its proper divisors (11431014322).

12621080654 is a wasteful number, since it uses less digits than its factorization.

12621080654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2237040.

The product of its (nonzero) digits is 23040, while the sum is 35.

The spelling of 12621080654 in words is "twelve billion, six hundred twenty-one million, eighty thousand, six hundred fifty-four".