13602947904 has 252 divisors, whose sum is σ = 48254265696. Its totient is φ = 3587410944.

The previous prime is 13602947899. The next prime is 13602947957. The reversal of 13602947904 is 40974920631.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (252).

It is a self number, because there is not a number n which added to its sum of digits gives 13602947904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 671427 + ... + 691389.

Almost surely, 2^13602947904 is an apocalyptic number.

13602947904 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13602947904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24127132848).

13602947904 is an abundant number, since it is smaller than the sum of its proper divisors (34651317792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13602947904 is a wasteful number, since it uses less digits than its factorization.

13602947904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20014 (or 19988 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 13602947904 in words is "thirteen billion, six hundred two million, nine hundred forty-seven thousand, nine hundred four".