13572420 has 48 divisors (see below), whose sum is σ = 39234048. Its totient is φ = 3502080.

The previous prime is 13572407. The next prime is 13572463. The reversal of 13572420 is 2427531.

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 in 15 ways as a sum of consecutive naturals, for example, 1789 + ... + 5508.

It is an arithmetic number, because the mean of its divisors is an integer number (817376).

Almost surely, 2^13572420 is an apocalyptic number.

13572420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13572420 is an abundant number, since it is smaller than the sum of its proper divisors (25661628).

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

13572420 is a wasteful number, since it uses less digits than its factorization.

13572420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7340 (or 7338 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 13572420 is about 3684.0765464360. The cubic root of 13572420 is about 238.5351749429.

Adding to 13572420 its reverse (2427531), we get a palindrome (15999951).

The spelling of 13572420 in words is "thirteen million, five hundred seventy-two thousand, four hundred twenty".