11836845 has 24 divisors (see below), whose sum is σ = 21725496. Its totient is φ = 5941248.

The previous prime is 11836837. The next prime is 11836859. The reversal of 11836845 is 54863811.

It can be written as a sum of positive squares in 4 ways, for example, as 2064969 + 9771876 = 1437^2 + 3126^2 .

It is not a de Polignac number, because 11836845 - 2³ = 11836837 is a prime.

It is a super-2 number, since 2×11836845² = 280221799108050, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 8.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6972 + ... + 8501.

It is an arithmetic number, because the mean of its divisors is an integer number (905229).

Almost surely, 2^11836845 is an apocalyptic number.

11836845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11836845 is a deficient number, since it is larger than the sum of its proper divisors (9888651).

11836845 is a wasteful number, since it uses less digits than its factorization.

11836845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15501 (or 15498 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 11836845 is about 3440.4716246468. The cubic root of 11836845 is about 227.9005221621.

It can be divided in two parts, 118 and 36845, that added together give a palindrome (36963).

The spelling of 11836845 in words is "eleven million, eight hundred thirty-six thousand, eight hundred forty-five".