11140897 has 4 divisors (see below), whose sum is σ = 11727280. Its totient is φ = 10554516.

The previous prime is 11140837. The next prime is 11140903. The reversal of 11140897 is 79804111.

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 11140897 - 2¹⁵ = 11108129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11140837) 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, 293163 + ... + 293200.

It is an arithmetic number, because the mean of its divisors is an integer number (2931820).

Almost surely, 2^11140897 is an apocalyptic number.

It is an amenable number.

11140897 is a deficient number, since it is larger than the sum of its proper divisors (586383).

11140897 is an equidigital number, since it uses as much as digits as its factorization.

11140897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586382.

The product of its (nonzero) digits is 2016, while the sum is 31.

The square root of 11140897 is about 3337.7982263762. The cubic root of 11140897 is about 223.3435353375.

The spelling of 11140897 in words is "eleven million, one hundred forty thousand, eight hundred ninety-seven".