11215842 has 16 divisors (see below), whose sum is σ = 24471072. Its totient is φ = 3398720.

The previous prime is 11215829. The next prime is 11215889. The reversal of 11215842 is 24851211.

11215842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11215842² = 251590223537928, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84903 + ... + 85034.

It is an arithmetic number, because the mean of its divisors is an integer number (1529442).

Almost surely, 2^11215842 is an apocalyptic number.

11215842 is an abundant number, since it is smaller than the sum of its proper divisors (13255230).

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

11215842 is a wasteful number, since it uses less digits than its factorization.

11215842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169953.

The product of its digits is 640, while the sum is 24.

The square root of 11215842 is about 3349.0061212246. The cubic root of 11215842 is about 223.8432284219.

The spelling of 11215842 in words is "eleven million, two hundred fifteen thousand, eight hundred forty-two".