13420232 has 32 divisors (see below), whose sum is σ = 30273600. Its totient is φ = 5448384.

The previous prime is 13420229. The next prime is 13420237. The reversal of 13420232 is 23202431.

It is a self number, because there is not a number n which added to its sum of digits gives 13420232.

It is not an unprimeable number, because it can be changed into a prime (13420237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5243 + ... + 7370.

It is an arithmetic number, because the mean of its divisors is an integer number (946050).

Almost surely, 2^13420232 is an apocalyptic number.

It is an amenable number.

13420232 is an abundant number, since it is smaller than the sum of its proper divisors (16853368).

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

13420232 is a wasteful number, since it uses less digits than its factorization.

13420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12645 (or 12641 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 13420232 is about 3663.3634818292. The cubic root of 13420232 is about 237.6402539998.

Adding to 13420232 its reverse (23202431), we get a palindrome (36622663).

The spelling of 13420232 in words is "thirteen million, four hundred twenty thousand, two hundred thirty-two".