11815468 has 36 divisors (see below), whose sum is σ = 25108272. Its totient is φ = 4841760.

The previous prime is 11815457. The next prime is 11815481. The reversal of 11815468 is 86451811.

It is a happy number.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3198 + ... + 5818.

It is an arithmetic number, because the mean of its divisors is an integer number (697452).

Almost surely, 2^11815468 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 11815468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12554136).

11815468 is an abundant number, since it is smaller than the sum of its proper divisors (13292804).

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

11815468 is a wasteful number, since it uses less digits than its factorization.

11815468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2662 (or 2653 counting only the distinct ones).

The product of its digits is 7680, while the sum is 34.

The square root of 11815468 is about 3437.3635245636. The cubic root of 11815468 is about 227.7632455708.

The spelling of 11815468 in words is "eleven million, eight hundred fifteen thousand, four hundred sixty-eight".