11897043 has 4 divisors (see below), whose sum is σ = 15862728. Its totient is φ = 7931360.

The previous prime is 11896999. The next prime is 11897051. The reversal of 11897043 is 34079811.

11897043 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11897043 - 2¹⁰ = 11896019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11896995 and 11897013.

It is not an unprimeable number, because it can be changed into a prime (11897143) 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, 1982838 + ... + 1982843.

It is an arithmetic number, because the mean of its divisors is an integer number (3965682).

Almost surely, 2^11897043 is an apocalyptic number.

11897043 is a deficient number, since it is larger than the sum of its proper divisors (3965685).

11897043 is an equidigital number, since it uses as much as digits as its factorization.

11897043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3965684.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11897043 is about 3449.2090397655. The cubic root of 11897043 is about 228.2862095138.

The spelling of 11897043 in words is "eleven million, eight hundred ninety-seven thousand, forty-three".