11461897 has 4 divisors (see below), whose sum is σ = 11771716. Its totient is φ = 11152080.

The previous prime is 11461829. The next prime is 11461913. The reversal of 11461897 is 79816411.

11461897 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.

It can be written as a sum of positive squares in 2 ways, for example, as 7817616 + 3644281 = 2796^2 + 1909^2 .

It is a cyclic number.

It is not a de Polignac number, because 11461897 - 2²³ = 3073289 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 309781 = 11461897 / (1 + 1 + 4 + 6 + 1 + 8 + 9 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11461817) 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, 154854 + ... + 154927.

It is an arithmetic number, because the mean of its divisors is an integer number (2942929).

Almost surely, 2^11461897 is an apocalyptic number.

It is an amenable number.

11461897 is a deficient number, since it is larger than the sum of its proper divisors (309819).

11461897 is an equidigital number, since it uses as much as digits as its factorization.

11461897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309818.

The product of its digits is 12096, while the sum is 37.

The square root of 11461897 is about 3385.5423494619. The cubic root of 11461897 is about 225.4683052719.

The spelling of 11461897 in words is "eleven million, four hundred sixty-one thousand, eight hundred ninety-seven".