11536897 has 4 divisors (see below), whose sum is σ = 12215556. Its totient is φ = 10858240.

The previous prime is 11536891. The next prime is 11536913. The reversal of 11536897 is 79863511.

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 10246401 + 1290496 = 3201^2 + 1136^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11536897 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11536891) 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, 339304 + ... + 339337.

It is an arithmetic number, because the mean of its divisors is an integer number (3053889).

Almost surely, 2^11536897 is an apocalyptic number.

11536897 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11536897 is a deficient number, since it is larger than the sum of its proper divisors (678659).

11536897 is an equidigital number, since it uses as much as digits as its factorization.

11536897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678658.

The product of its digits is 45360, while the sum is 40.

The square root of 11536897 is about 3396.6008008007. The cubic root of 11536897 is about 225.9590144174.

The spelling of 11536897 in words is "eleven million, five hundred thirty-six thousand, eight hundred ninety-seven".