11881026 has 16 divisors (see below), whose sum is σ = 26402400. Its totient is φ = 3960324.

The previous prime is 11881013. The next prime is 11881027. The reversal of 11881026 is 62018811.

It is a super-3 number, since 3×11881026³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11881027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109956 + ... + 110063.

It is an arithmetic number, because the mean of its divisors is an integer number (1650150).

Almost surely, 2^11881026 is an apocalyptic number.

11881026 is an abundant number, since it is smaller than the sum of its proper divisors (14521374).

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

11881026 is a wasteful number, since it uses less digits than its factorization.

11881026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220030 (or 220024 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11881026 is about 3446.8864211053. The cubic root of 11881026 is about 228.1837161927.

Adding to 11881026 its reverse (62018811), we get a palindrome (73899837).

The spelling of 11881026 in words is "eleven million, eight hundred eighty-one thousand, twenty-six".