11800894 has 16 divisors (see below), whose sum is σ = 20883456. Its totient is φ = 4894200.

The previous prime is 11800889. The next prime is 11800913. The reversal of 11800894 is 49800811.

It is a super-2 number, since 2×11800894² = 278522198398472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13162 + ... + 14029.

It is an arithmetic number, because the mean of its divisors is an integer number (1305216).

Almost surely, 2^11800894 is an apocalyptic number.

11800894 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11800894 is a deficient number, since it is larger than the sum of its proper divisors (9082562).

11800894 is a wasteful number, since it uses less digits than its factorization.

11800894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27231.

The product of its (nonzero) digits is 2304, while the sum is 31.

The square root of 11800894 is about 3435.2429317299. The cubic root of 11800894 is about 227.6695608270.

The spelling of 11800894 in words is "eleven million, eight hundred thousand, eight hundred ninety-four".