11828401 has 4 divisors (see below), whose sum is σ = 12738292. Its totient is φ = 10918512.

The previous prime is 11828357. The next prime is 11828407. The reversal of 11828401 is 10482811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7317025 + 4511376 = 2705^2 + 2124^2 .

It is a cyclic number.

It is not a de Polignac number, because 11828401 - 2⁷ = 11828273 is a prime.

It is a super-2 number, since 2×11828401² = 279822140433602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11828407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 454926 + ... + 454951.

It is an arithmetic number, because the mean of its divisors is an integer number (3184573).

Almost surely, 2^11828401 is an apocalyptic number.

It is an amenable number.

11828401 is a deficient number, since it is larger than the sum of its proper divisors (909891).

11828401 is an equidigital number, since it uses as much as digits as its factorization.

11828401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909890.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 11828401 is about 3439.2442483778. The cubic root of 11828401 is about 227.8463171272.

The spelling of 11828401 in words is "eleven million, eight hundred twenty-eight thousand, four hundred one".