13001426 has 8 divisors (see below), whose sum is σ = 19527564. Its totient is φ = 6492240.

The previous prime is 13001407. The next prime is 13001459. The reversal of 13001426 is 62410031.

It can be written as a sum of positive squares in 2 ways, for example, as 12967201 + 34225 = 3601^2 + 185^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2105 + ... + 5516.

Almost surely, 2^13001426 is an apocalyptic number.

13001426 is a deficient number, since it is larger than the sum of its proper divisors (6526138).

13001426 is an equidigital number, since it uses as much as digits as its factorization.

13001426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8476.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 13001426 is about 3605.7490206613. The cubic root of 13001426 is about 235.1420659020.

Adding to 13001426 its reverse (62410031), we get a palindrome (75411457).

The spelling of 13001426 in words is "thirteen million, one thousand, four hundred twenty-six".