11236864 has 40 divisors (see below), whose sum is σ = 23790888. Its totient is φ = 5283840.

The previous prime is 11236859. The next prime is 11236879. The reversal of 11236864 is 46863211.

It is a happy number.

It is a super-2 number, since 2×11236864² = 252534225108992, which contains 22 as substring.

It is a cake number, because a cake can be divided into 11236864 parts by 407 planar cuts.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8059 + ... + 9349.

Almost surely, 2^11236864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11236864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11895444).

11236864 is an abundant number, since it is smaller than the sum of its proper divisors (12554024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11236864 is an equidigital number, since it uses as much as digits as its factorization.

11236864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326 (or 1310 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 11236864 is about 3352.1431950321. The cubic root of 11236864 is about 223.9829919059.

It can be divided in two parts, 11236 and 864, that added together give a square (12100 = 110²).

The spelling of 11236864 in words is "eleven million, two hundred thirty-six thousand, eight hundred sixty-four".