13055620 has 24 divisors (see below), whose sum is σ = 27828864. Its totient is φ = 5143776.

The previous prime is 13055599. The next prime is 13055629. The reversal of 13055620 is 2655031.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 13055591 and 13055600.

It is not an unprimeable number, because it can be changed into a prime (13055629) 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, 3532 + ... + 6211.

It is an arithmetic number, because the mean of its divisors is an integer number (1159536).

Almost surely, 2^13055620 is an apocalyptic number.

13055620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13055620 is an abundant number, since it is smaller than the sum of its proper divisors (14773244).

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

13055620 is a wasteful number, since it uses less digits than its factorization.

13055620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9819 (or 9817 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 13055620 is about 3613.2561492371. The cubic root of 13055620 is about 235.4683281650.

The spelling of 13055620 in words is "thirteen million, fifty-five thousand, six hundred twenty".