13434500 has 48 divisors (see below), whose sum is σ = 29750448. Its totient is φ = 5299200.

The previous prime is 13434481. The next prime is 13434521. The reversal of 13434500 is 543431.

It can be written as a sum of positive squares in 8 ways, for example, as 7043716 + 6390784 = 2654^2 + 2528^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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 15 ways as a sum of consecutive naturals, for example, 48362 + ... + 48638.

It is an arithmetic number, because the mean of its divisors is an integer number (619801).

Almost surely, 2^13434500 is an apocalyptic number.

13434500 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 13434500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14875224).

13434500 is an abundant number, since it is smaller than the sum of its proper divisors (16315948).

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

13434500 is a wasteful number, since it uses less digits than its factorization.

13434500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 13434500 is about 3665.3103552087. The cubic root of 13434500 is about 237.7244415717.

Adding to 13434500 its reverse (543431), we get a palindrome (13977931).

The spelling of 13434500 in words is "thirteen million, four hundred thirty-four thousand, five hundred".