13420432 has 10 divisors (see below), whose sum is σ = 26002118. Its totient is φ = 6710208.

The previous prime is 13420397. The next prime is 13420453. The reversal of 13420432 is 23402431.

It can be written as a sum of positive squares in only one way, i.e., 6948496 + 6471936 = 2636^2 + 2544^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 419373 + ... + 419404.

Almost surely, 2^13420432 is an apocalyptic number.

It is an amenable number.

13420432 is a deficient number, since it is larger than the sum of its proper divisors (12581686).

13420432 is an equidigital number, since it uses as much as digits as its factorization.

13420432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 838785 (or 838779 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 13420432 is about 3663.3907790461. The cubic root of 13420432 is about 237.6414345013.

Adding to 13420432 its reverse (23402431), we get a palindrome (36822863).

The spelling of 13420432 in words is "thirteen million, four hundred twenty thousand, four hundred thirty-two".