13425722 has 8 divisors (see below), whose sum is σ = 20414676. Its totient is φ = 6620832.

The previous prime is 13425707. The next prime is 13425749. The reversal of 13425722 is 22752431.

It can be written as a sum of positive squares in 2 ways, for example, as 13402921 + 22801 = 3661^2 + 151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×13425722² = 360500022442568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13425691 and 13425700.

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 3 ways as a sum of consecutive naturals, for example, 45833 + ... + 46124.

Almost surely, 2^13425722 is an apocalyptic number.

13425722 is a deficient number, since it is larger than the sum of its proper divisors (6988954).

13425722 is an equidigital number, since it uses as much as digits as its factorization.

13425722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92032.

The product of its digits is 3360, while the sum is 26.

The square root of 13425722 is about 3664.1127166068. The cubic root of 13425722 is about 237.6726545110.

The spelling of 13425722 in words is "thirteen million, four hundred twenty-five thousand, seven hundred twenty-two".