11389001 has 4 divisors (see below), whose sum is σ = 12265092. Its totient is φ = 10512912.

The previous prime is 11388991. The next prime is 11389003. The reversal of 11389001 is 10098311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7182400 + 4206601 = 2680^2 + 2051^2 .

It is a cyclic number.

It is not a de Polignac number, because 11389001 - 2¹⁴ = 11372617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389003) 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, 438026 + ... + 438051.

It is an arithmetic number, because the mean of its divisors is an integer number (3066273).

Almost surely, 2^11389001 is an apocalyptic number.

It is an amenable number.

11389001 is a deficient number, since it is larger than the sum of its proper divisors (876091).

11389001 is an equidigital number, since it uses as much as digits as its factorization.

11389001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876090.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 11389001 is about 3374.7593988313. The cubic root of 11389001 is about 224.9893064877.

The spelling of 11389001 in words is "eleven million, three hundred eighty-nine thousand, one".