11642897 has 8 divisors (see below), whose sum is σ = 13375296. Its totient is φ = 9927792.

The previous prime is 11642879. The next prime is 11642921. The reversal of 11642897 is 79824611.

11642897 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11642897 - 2⁸ = 11642641 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11642897.

It is not an unprimeable number, because it can be changed into a prime (11642837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2843 + ... + 5600.

It is an arithmetic number, because the mean of its divisors is an integer number (1671912).

Almost surely, 2^11642897 is an apocalyptic number.

It is an amenable number.

11642897 is a deficient number, since it is larger than the sum of its proper divisors (1732399).

11642897 is an equidigital number, since it uses as much as digits as its factorization.

11642897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8647.

The product of its digits is 24192, while the sum is 38.

The square root of 11642897 is about 3412.1689583020. The cubic root of 11642897 is about 226.6489362813.

The spelling of 11642897 in words is "eleven million, six hundred forty-two thousand, eight hundred ninety-seven".