11397089 has 16 divisors (see below), whose sum is σ = 13400640. Its totient is φ = 9576960.

The previous prime is 11397083. The next prime is 11397091. The reversal of 11397089 is 98079311.

It is a cyclic number.

It is not a de Polignac number, because 11397089 - 2¹² = 11392993 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11397083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10517 + ... + 11549.

It is an arithmetic number, because the mean of its divisors is an integer number (837540).

Almost surely, 2^11397089 is an apocalyptic number.

It is an amenable number.

11397089 is a deficient number, since it is larger than the sum of its proper divisors (2003551).

11397089 is a wasteful number, since it uses less digits than its factorization.

11397089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120.

The product of its (nonzero) digits is 13608, while the sum is 38.

The square root of 11397089 is about 3375.9574938082. The cubic root of 11397089 is about 225.0425532685.

It can be divided in two parts, 1139 and 7089, that added together give a palindrome (8228).

The spelling of 11397089 in words is "eleven million, three hundred ninety-seven thousand, eighty-nine".