10187426 has 4 divisors (see below), whose sum is σ = 15281142. Its totient is φ = 5093712.

The previous prime is 10187399. The next prime is 10187473. The reversal of 10187426 is 62478101.

10187426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62478101 = 7 ⋅8925443.

It can be written as a sum of positive squares in only one way, i.e., 8128201 + 2059225 = 2851^2 + 1435^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2546855 + ... + 2546858.

Almost surely, 2^10187426 is an apocalyptic number.

10187426 is a deficient number, since it is larger than the sum of its proper divisors (5093716).

10187426 is an equidigital number, since it uses as much as digits as its factorization.

10187426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5093715.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 10187426 is about 3191.7747414252. The cubic root of 10187426 is about 216.7811366194.

The spelling of 10187426 in words is "ten million, one hundred eighty-seven thousand, four hundred twenty-six".