11287801 has 8 divisors (see below), whose sum is σ = 13200704. Its totient is φ = 9450000.

The previous prime is 11287799. The next prime is 11287807. The reversal of 11287801 is 10878211.

11287801 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11287801 - 2¹ = 11287799 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11287801.

It is not an unprimeable number, because it can be changed into a prime (11287807) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18450 + ... + 19051.

It is an arithmetic number, because the mean of its divisors is an integer number (1650088).

Almost surely, 2^11287801 is an apocalyptic number.

It is an amenable number.

11287801 is a deficient number, since it is larger than the sum of its proper divisors (1912903).

11287801 is an equidigital number, since it uses as much as digits as its factorization.

11287801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37551.

The product of its (nonzero) digits is 896, while the sum is 28.

The square root of 11287801 is about 3359.7322810010. The cubic root of 11287801 is about 224.3209220677.

The spelling of 11287801 in words is "eleven million, two hundred eighty-seven thousand, eight hundred one".