13451020 has 24 divisors (see below), whose sum is σ = 30815568. Its totient is φ = 4891200.

The previous prime is 13451003. The next prime is 13451033. The reversal of 13451020 is 2015431.

It is a junction number, because it is equal to n+sod(n) for n = 13450985 and 13451003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30351 + ... + 30790.

It is an arithmetic number, because the mean of its divisors is an integer number (1283982).

Almost surely, 2^13451020 is an apocalyptic number.

13451020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13451020 is an abundant number, since it is smaller than the sum of its proper divisors (17364548).

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

13451020 is a wasteful number, since it uses less digits than its factorization.

13451020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61161 (or 61159 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 13451020 is about 3667.5632237223. The cubic root of 13451020 is about 237.8218425207.

Adding to 13451020 its reverse (2015431), we get a palindrome (15466451).

The spelling of 13451020 in words is "thirteen million, four hundred fifty-one thousand, twenty".