13337426 has 4 divisors (see below), whose sum is σ = 20006142. Its totient is φ = 6668712.

The previous prime is 13337393. The next prime is 13337431. The reversal of 13337426 is 62473331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62473331 = 1487 ⋅42013.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 1428025 = 3451^2 + 1195^2 .

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 as a sum of consecutive naturals, namely, 3334355 + ... + 3334358.

Almost surely, 2^13337426 is an apocalyptic number.

13337426 is a deficient number, since it is larger than the sum of its proper divisors (6668716).

13337426 is an equidigital number, since it uses as much as digits as its factorization.

13337426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6668715.

The product of its digits is 9072, while the sum is 29.

The square root of 13337426 is about 3652.0440851666. The cubic root of 13337426 is about 237.1504797818.

The spelling of 13337426 in words is "thirteen million, three hundred thirty-seven thousand, four hundred twenty-six".