12891925013774 has 64 divisors (see below), whose sum is σ = 22300755148800. Its totient is φ = 5548178861568.

The previous prime is 12891925013743. The next prime is 12891925013797. The reversal of 12891925013774 is 47731052919821.

12891925013774 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 96731987 + ... + 96865169.

It is an arithmetic number, because the mean of its divisors is an integer number (348449299200).

Almost surely, 2^{12891925013774} is an apocalyptic number.

12891925013774 is a deficient number, since it is larger than the sum of its proper divisors (9408830135026).

12891925013774 is a wasteful number, since it uses less digits than its factorization.

12891925013774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138417.

The product of its (nonzero) digits is 7620480, while the sum is 59.

The spelling of 12891925013774 in words is "twelve trillion, eight hundred ninety-one billion, nine hundred twenty-five million, thirteen thousand, seven hundred seventy-four".