11389697 has 4 divisors (see below), whose sum is σ = 12425136. Its totient is φ = 10354260.

The previous prime is 11389681. The next prime is 11389699. The reversal of 11389697 is 79698311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11389697 - 2⁴ = 11389681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 517703 + ... + 517724.

It is an arithmetic number, because the mean of its divisors is an integer number (3106284).

Almost surely, 2^11389697 is an apocalyptic number.

It is an amenable number.

11389697 is a deficient number, since it is larger than the sum of its proper divisors (1035439).

11389697 is a wasteful number, since it uses less digits than its factorization.

11389697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035438.

The product of its digits is 81648, while the sum is 44.

The square root of 11389697 is about 3374.8625157182. The cubic root of 11389697 is about 224.9938895460.

The spelling of 11389697 in words is "eleven million, three hundred eighty-nine thousand, six hundred ninety-seven".