13020048 has 40 divisors (see below), whose sum is σ = 37373600. Its totient is φ = 4339872.

The previous prime is 13020037. The next prime is 13020053. The reversal of 13020048 is 84002031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 13020048.

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 7 ways as a sum of consecutive naturals, for example, 14638 + ... + 15501.

It is an arithmetic number, because the mean of its divisors is an integer number (934340).

Almost surely, 2^13020048 is an apocalyptic number.

13020048 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

13020048 is an abundant number, since it is smaller than the sum of its proper divisors (24353552).

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

13020048 is a wasteful number, since it uses less digits than its factorization.

13020048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30156 (or 30144 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 13020048 is about 3608.3303618156. The cubic root of 13020048 is about 235.2542773526.

Adding to 13020048 its reverse (84002031), we get a palindrome (97022079).

The spelling of 13020048 in words is "thirteen million, twenty thousand, forty-eight".