13422500 has 120 divisors (see below), whose sum is σ = 36738240. Its totient is φ = 4176000.

The previous prime is 13422499. The next prime is 13422509. The reversal of 13422500 is 522431.

It is not an unprimeable number, because it can be changed into a prime (13422509) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 227471 + ... + 227529.

It is an arithmetic number, because the mean of its divisors is an integer number (306152).

Almost surely, 2^13422500 is an apocalyptic number.

13422500 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 13422500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18369120).

13422500 is an abundant number, since it is smaller than the sum of its proper divisors (23315740).

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

13422500 is a wasteful number, since it uses less digits than its factorization.

13422500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 13422500 is about 3663.6730203445. The cubic root of 13422500 is about 237.6536402000.

Adding to 13422500 its reverse (522431), we get a palindrome (13944931).

The spelling of 13422500 in words is "thirteen million, four hundred twenty-two thousand, five hundred".