13749632 has 32 divisors (see below), whose sum is σ = 29502480. Its totient is φ = 6345216.

The previous prime is 13749613. The next prime is 13749641. The reversal of 13749632 is 23694731.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 13749592 and 13749601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2468 + ... + 5795.

Almost surely, 2^13749632 is an apocalyptic number.

It is an amenable number.

13749632 is an abundant number, since it is smaller than the sum of its proper divisors (15752848).

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

13749632 is an equidigital number, since it uses as much as digits as its factorization.

13749632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8290 (or 8278 counting only the distinct ones).

The product of its digits is 27216, while the sum is 35.

The square root of 13749632 is about 3708.0496221059. The cubic root of 13749632 is about 239.5688555704.

The spelling of 13749632 in words is "thirteen million, seven hundred forty-nine thousand, six hundred thirty-two".