11489956 has 12 divisors (see below), whose sum is σ = 20187468. Its totient is φ = 5722112.

The previous prime is 11489911. The next prime is 11489957. The reversal of 11489956 is 65998411.

11489956 = 70² + 71² + ... + 326².

11489956 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10824100 + 665856 = 3290^2 + 816^2 .

It is not an unprimeable number, because it can be changed into a prime (11489957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4561 + ... + 6616.

It is an arithmetic number, because the mean of its divisors is an integer number (1682289).

Almost surely, 2^11489956 is an apocalyptic number.

It is an amenable number.

11489956 is a deficient number, since it is larger than the sum of its proper divisors (8697512).

11489956 is a wasteful number, since it uses less digits than its factorization.

11489956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438 (or 11436 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The square root of 11489956 is about 3389.6837610609. The cubic root of 11489956 is about 225.6521392911.

The spelling of 11489956 in words is "eleven million, four hundred eighty-nine thousand, nine hundred fifty-six".