13228635750 has 64 divisors (see below), whose sum is σ = 36020395008. Its totient is φ = 3206940000.

The previous prime is 13228635703. The next prime is 13228635769. The reversal of 13228635750 is 5753682231.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 793486 + ... + 809985.

It is an arithmetic number, because the mean of its divisors is an integer number (562818672).

Almost surely, 2^13228635750 is an apocalyptic number.

13228635750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13228635750 is an abundant number, since it is smaller than the sum of its proper divisors (22791759258).

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

13228635750 is a wasteful number, since it uses less digits than its factorization.

13228635750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603502 (or 1603492 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 42.

The spelling of 13228635750 in words is "thirteen billion, two hundred twenty-eight million, six hundred thirty-five thousand, seven hundred fifty".