13020432 has 40 divisors (see below), whose sum is σ = 33765696. Its totient is φ = 4323456.

The previous prime is 13020431. The next prime is 13020439. The reversal of 13020432 is 23402031.

It is not an unprimeable number, because it can be changed into a prime (13020431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23098 + ... + 23654.

Almost surely, 2^13020432 is an apocalyptic number.

13020432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13020432 is an abundant number, since it is smaller than the sum of its proper divisors (20745264).

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

13020432 is a wasteful number, since it uses less digits than its factorization.

13020432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

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

The square root of 13020432 is about 3608.3835716287. The cubic root of 13020432 is about 235.2565901130.

Adding to 13020432 its reverse (23402031), we get a palindrome (36422463).

The spelling of 13020432 in words is "thirteen million, twenty thousand, four hundred thirty-two".