13450020 has 48 divisors (see below), whose sum is σ = 38064768. Its totient is φ = 3548160.

The previous prime is 13449979. The next prime is 13450039. The reversal of 13450020 is 2005431.

13450020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4665 + ... + 6975.

It is an arithmetic number, because the mean of its divisors is an integer number (793016).

Almost surely, 2^13450020 is an apocalyptic number.

13450020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13450020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19032384).

13450020 is an abundant number, since it is smaller than the sum of its proper divisors (24614748).

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

13450020 is a wasteful number, since it uses less digits than its factorization.

13450020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2420 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 13450020 is about 3667.4268908869. The cubic root of 13450020 is about 237.8159488478.

Adding to 13450020 its reverse (2005431), we get a palindrome (15455451).

The spelling of 13450020 in words is "thirteen million, four hundred fifty thousand, twenty".