11836401 has 4 divisors (see below), whose sum is σ = 15781872. Its totient is φ = 7890932.

The previous prime is 11836397. The next prime is 11836423. The reversal of 11836401 is 10463811.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11836401 - 2² = 11836397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11836801) 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, 1972731 + ... + 1972736.

It is an arithmetic number, because the mean of its divisors is an integer number (3945468).

Almost surely, 2^11836401 is an apocalyptic number.

It is an amenable number.

11836401 is a deficient number, since it is larger than the sum of its proper divisors (3945471).

11836401 is an equidigital number, since it uses as much as digits as its factorization.

11836401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3945470.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 11836401 is about 3440.4070980045. The cubic root of 11836401 is about 227.8976726107.

The spelling of 11836401 in words is "eleven million, eight hundred thirty-six thousand, four hundred one".