11215893 has 16 divisors (see below), whose sum is σ = 16626176. Its totient is φ = 6678720.

The previous prime is 11215889. The next prime is 11215907. The reversal of 11215893 is 39851211.

11215893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11215893 - 2² = 11215889 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 11215893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11215823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3430 + ... + 5847.

It is an arithmetic number, because the mean of its divisors is an integer number (1039136).

Almost surely, 2^11215893 is an apocalyptic number.

11215893 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11215893 is a deficient number, since it is larger than the sum of its proper divisors (5410283).

11215893 is a wasteful number, since it uses less digits than its factorization.

11215893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9324.

The product of its digits is 2160, while the sum is 30.

The square root of 11215893 is about 3349.0137354152. The cubic root of 11215893 is about 223.8435677035.

The spelling of 11215893 in words is "eleven million, two hundred fifteen thousand, eight hundred ninety-three".