13225700 has 18 divisors (see below), whose sum is σ = 28699986. Its totient is φ = 5290240.

The previous prime is 13225699. The next prime is 13225703. The reversal of 13225700 is 752231.

It can be written as a sum of positive squares in 3 ways, for example, as 3290596 + 9935104 = 1814^2 + 3152^2 .

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

It is not an unprimeable number, because it can be changed into a prime (13225703) 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 5 ways as a sum of consecutive naturals, for example, 66029 + ... + 66228.

Almost surely, 2^13225700 is an apocalyptic number.

13225700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13225700 is an abundant number, since it is smaller than the sum of its proper divisors (15474286).

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

13225700 is a wasteful number, since it uses less digits than its factorization.

13225700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132271 (or 132264 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 13225700 is about 3636.7155511533. The cubic root of 13225700 is about 236.4864284876.

Adding to 13225700 its reverse (752231), we get a palindrome (13977931).

The spelling of 13225700 in words is "thirteen million, two hundred twenty-five thousand, seven hundred".