11263989 has 8 divisors (see below), whose sum is σ = 16384032. Its totient is φ = 6826640.

The previous prime is 11263969. The next prime is 11263999. The reversal of 11263989 is 98936211.

11263989 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11263989 - 2⁵ = 11263957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11263949) 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, 170634 + ... + 170699.

It is an arithmetic number, because the mean of its divisors is an integer number (2048004).

Almost surely, 2^11263989 is an apocalyptic number.

It is an amenable number.

11263989 is a deficient number, since it is larger than the sum of its proper divisors (5120043).

11263989 is a wasteful number, since it uses less digits than its factorization.

11263989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341347.

The product of its digits is 23328, while the sum is 39.

The square root of 11263989 is about 3356.1866753803. The cubic root of 11263989 is about 224.1630734826.

It can be divided in two parts, 1126 and 3989, that added together give a palindrome (5115).

The spelling of 11263989 in words is "eleven million, two hundred sixty-three thousand, nine hundred eighty-nine".