13975426 has 4 divisors (see below), whose sum is σ = 20963142. Its totient is φ = 6987712.

The previous prime is 13975417. The next prime is 13975433. The reversal of 13975426 is 62457931.

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., 8708401 + 5267025 = 2951^2 + 2295^2 .

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 as a sum of consecutive naturals, namely, 3493855 + ... + 3493858.

Almost surely, 2^13975426 is an apocalyptic number.

13975426 is a deficient number, since it is larger than the sum of its proper divisors (6987716).

13975426 is an equidigital number, since it uses as much as digits as its factorization.

13975426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987715.

The product of its digits is 45360, while the sum is 37.

The square root of 13975426 is about 3738.3721056096. The cubic root of 13975426 is about 240.8731275528.

The spelling of 13975426 in words is "thirteen million, nine hundred seventy-five thousand, four hundred twenty-six".