13013020 has 24 divisors (see below), whose sum is σ = 27597024. Its totient is φ = 5153856.

The previous prime is 13012999. The next prime is 13013023. The reversal of 13013020 is 2031031.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 13012988 and 13013006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13013023) 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, 1099 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (1149876).

Almost surely, 2^13013020 is an apocalyptic number.

13013020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13013020 is an abundant number, since it is smaller than the sum of its proper divisors (14584004).

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

13013020 is a wasteful number, since it uses less digits than its factorization.

13013020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6429 (or 6427 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 13013020 is about 3607.3563727472. The cubic root of 13013020 is about 235.2119409844.

Adding to 13013020 its reverse (2031031), we get a palindrome (15044051).

The spelling of 13013020 in words is "thirteen million, thirteen thousand, twenty".