13330426 has 4 divisors (see below), whose sum is σ = 19995642. Its totient is φ = 6665212.

The previous prime is 13330423. The next prime is 13330439. The reversal of 13330426 is 62403331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13329801 + 625 = 3651^2 + 25^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13330397 and 13330406.

It is not an unprimeable number, because it can be changed into a prime (13330423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3332605 + ... + 3332608.

Almost surely, 2^13330426 is an apocalyptic number.

13330426 is a deficient number, since it is larger than the sum of its proper divisors (6665216).

13330426 is an equidigital number, since it uses as much as digits as its factorization.

13330426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6665215.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 13330426 is about 3651.0855919849. The cubic root of 13330426 is about 237.1089839224.

Adding to 13330426 its reverse (62403331), we get a palindrome (75733757).

The spelling of 13330426 in words is "thirteen million, three hundred thirty thousand, four hundred twenty-six".