11831426 has 8 divisors (see below), whose sum is σ = 17837820. Its totient is φ = 5885488.

The previous prime is 11831423. The next prime is 11831437. The reversal of 11831426 is 62413811.

It can be written as a sum of positive squares in 2 ways, for example, as 7425625 + 4405801 = 2725^2 + 2099^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11831395 and 11831404.

It is not an unprimeable number, because it can be changed into a prime (11831423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14621 + ... + 15408.

Almost surely, 2^11831426 is an apocalyptic number.

11831426 is a deficient number, since it is larger than the sum of its proper divisors (6006394).

11831426 is a wasteful number, since it uses less digits than its factorization.

11831426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30228.

The product of its digits is 1152, while the sum is 26.

The square root of 11831426 is about 3439.6839971137. The cubic root of 11831426 is about 227.8657386411.

The spelling of 11831426 in words is "eleven million, eight hundred thirty-one thousand, four hundred twenty-six".