11428693 has 4 divisors (see below), whose sum is σ = 11573440. Its totient is φ = 11283948.

The previous prime is 11428673. The next prime is 11428699. The reversal of 11428693 is 39682411.

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 11428693 - 2¹⁷ = 11297621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11428699) 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 3 ways as a sum of consecutive naturals, for example, 72255 + ... + 72412.

It is an arithmetic number, because the mean of its divisors is an integer number (2893360).

Almost surely, 2^11428693 is an apocalyptic number.

It is an amenable number.

11428693 is a deficient number, since it is larger than the sum of its proper divisors (144747).

11428693 is an equidigital number, since it uses as much as digits as its factorization.

11428693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144746.

The product of its digits is 10368, while the sum is 34.

The square root of 11428693 is about 3380.6349995230. The cubic root of 11428693 is about 225.2503747833.

It can be divided in two parts, 11428 and 693, that added together give a palindrome (12121).

The spelling of 11428693 in words is "eleven million, four hundred twenty-eight thousand, six hundred ninety-three".