11389715 has 8 divisors (see below), whose sum is σ = 14262048. Its totient is φ = 8715520.

The previous prime is 11389699. The next prime is 11389717. The reversal of 11389715 is 51798311.

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

It is not a de Polignac number, because 11389715 - 2⁴ = 11389699 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11389717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49406 + ... + 49635.

It is an arithmetic number, because the mean of its divisors is an integer number (1782756).

Almost surely, 2^11389715 is an apocalyptic number.

11389715 is a deficient number, since it is larger than the sum of its proper divisors (2872333).

11389715 is an equidigital number, since it uses as much as digits as its factorization.

11389715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99069.

The product of its digits is 7560, while the sum is 35.

The square root of 11389715 is about 3374.8651824925. The cubic root of 11389715 is about 224.9940080709.

The spelling of 11389715 in words is "eleven million, three hundred eighty-nine thousand, seven hundred fifteen".