13004920 has 32 divisors (see below), whose sum is σ = 29945520. Its totient is φ = 5080320.

The previous prime is 13004917. The next prime is 13004921. The reversal of 13004920 is 2940031.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13004921) 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, 2061 + ... + 5500.

Almost surely, 2^13004920 is an apocalyptic number.

13004920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13004920 is an abundant number, since it is smaller than the sum of its proper divisors (16940600).

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

13004920 is a wasteful number, since it uses less digits than its factorization.

13004920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7615 (or 7611 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 13004920 is about 3606.2334921633. The cubic root of 13004920 is about 235.1631280222.

Adding to 13004920 its reverse (2940031), we get a palindrome (15944951).

It can be divided in two parts, 13004 and 920, that added together give a square (13924 = 118²).

The spelling of 13004920 in words is "thirteen million, four thousand, nine hundred twenty".