13420032 has 40 divisors (see below), whose sum is σ = 35755896. Its totient is φ = 4472832.

The previous prime is 13420031. The next prime is 13420037. The reversal of 13420032 is 23002431.

It is a nialpdrome in base 16.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 13419993 and 13420020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13420031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833 + ... + 5904.

Almost surely, 2^13420032 is an apocalyptic number.

13420032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13420032 is an abundant number, since it is smaller than the sum of its proper divisors (22335864).

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

13420032 is an frugal number, since it uses more digits than its factorization.

13420032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8758 (or 8742 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 13420032 is about 3663.3361844090. The cubic root of 13420032 is about 237.6390734865.

Adding to 13420032 its reverse (23002431), we get a palindrome (36422463).

The spelling of 13420032 in words is "thirteen million, four hundred twenty thousand, thirty-two".