11389507 has 4 divisors (see below), whose sum is σ = 12059496. Its totient is φ = 10719520.

The previous prime is 11389501. The next prime is 11389517. The reversal of 11389507 is 70598311.

It is a happy number.

11389507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70598311 = 7 ⋅10085473.

It is not a de Polignac number, because 11389507 - 2¹⁵ = 11356739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389501) 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, 334969 + ... + 335002.

It is an arithmetic number, because the mean of its divisors is an integer number (3014874).

Almost surely, 2^11389507 is an apocalyptic number.

11389507 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

11389507 is a deficient number, since it is larger than the sum of its proper divisors (669989).

11389507 is an equidigital number, since it uses as much as digits as its factorization.

11389507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 669988.

The product of its (nonzero) digits is 7560, while the sum is 34.

The square root of 11389507 is about 3374.8343663060. The cubic root of 11389507 is about 224.9926384423.

The spelling of 11389507 in words is "eleven million, three hundred eighty-nine thousand, five hundred seven".