13620307894 has 16 divisors (see below), whose sum is σ = 21666570336. Its totient is φ = 6399388800.

The previous prime is 13620307891. The next prime is 13620307903. The reversal of 13620307894 is 49870302631.

It is a self number, because there is not a number n which added to its sum of digits gives 13620307894.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13620307891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 295977 + ... + 338884.

It is an arithmetic number, because the mean of its divisors is an integer number (1354160646).

Almost surely, 2^13620307894 is an apocalyptic number.

13620307894 is a deficient number, since it is larger than the sum of its proper divisors (8046262442).

13620307894 is a wasteful number, since it uses less digits than its factorization.

13620307894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635511.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 13620307894 in words is "thirteen billion, six hundred twenty million, three hundred seven thousand, eight hundred ninety-four".