12013654646 has 16 divisors (see below), whose sum is σ = 20684775840. Its totient is φ = 5126224320.

The previous prime is 12013654553. The next prime is 12013654661. The reversal of 12013654646 is 64645631021.

It is a congruent number.

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, 1870415 + ... + 1876826.

It is an arithmetic number, because the mean of its divisors is an integer number (1292798490).

Almost surely, 2^12013654646 is an apocalyptic number.

12013654646 is a deficient number, since it is larger than the sum of its proper divisors (8671121194).

12013654646 is a wasteful number, since it uses less digits than its factorization.

12013654646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3747479.

The product of its (nonzero) digits is 103680, while the sum is 38.

The spelling of 12013654646 in words is "twelve billion, thirteen million, six hundred fifty-four thousand, six hundred forty-six".