11897013 has 8 divisors (see below), whose sum is σ = 16122976. Its totient is φ = 7801200.

The previous prime is 11896999. The next prime is 11897051. The reversal of 11897013 is 31079811.

11897013 is digitally balanced in base 2, 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 11897013 - 2⁵ = 11896981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11897113) 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, 32323 + ... + 32688.

It is an arithmetic number, because the mean of its divisors is an integer number (2015372).

Almost surely, 2^11897013 is an apocalyptic number.

It is an amenable number.

11897013 is a deficient number, since it is larger than the sum of its proper divisors (4225963).

11897013 is an equidigital number, since it uses as much as digits as its factorization.

11897013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65075.

The product of its (nonzero) digits is 1512, while the sum is 30.

The square root of 11897013 is about 3449.2046909396. The cubic root of 11897013 is about 228.2860176288.

The spelling of 11897013 in words is "eleven million, eight hundred ninety-seven thousand, thirteen".