13430500 has 24 divisors (see below), whose sum is σ = 29333304. Its totient is φ = 5372000.

The previous prime is 13430477. The next prime is 13430503. The reversal of 13430500 is 503431.

It can be written as a sum of positive squares in 4 ways, for example, as 3356224 + 10074276 = 1832^2 + 3174^2 .

It is not an unprimeable number, because it can be changed into a prime (13430503) 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, 12931 + ... + 13930.

It is an arithmetic number, because the mean of its divisors is an integer number (1222221).

Almost surely, 2^13430500 is an apocalyptic number.

13430500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13430500 is an abundant number, since it is smaller than the sum of its proper divisors (15902804).

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

13430500 is a wasteful number, since it uses less digits than its factorization.

13430500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26880 (or 26868 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13430500 is about 3664.7646582011. The cubic root of 13430500 is about 237.7008458007.

Adding to 13430500 its reverse (503431), we get a palindrome (13933931).

The spelling of 13430500 in words is "thirteen million, four hundred thirty thousand, five hundred".