11527797 has 4 divisors (see below), whose sum is σ = 15370400. Its totient is φ = 7685196.

The previous prime is 11527729. The next prime is 11527799. The reversal of 11527797 is 79772511.

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 not a de Polignac number, because 11527797 - 2⁸ = 11527541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11527799) 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, 1921297 + ... + 1921302.

It is an arithmetic number, because the mean of its divisors is an integer number (3842600).

Almost surely, 2^11527797 is an apocalyptic number.

It is an amenable number.

11527797 is a deficient number, since it is larger than the sum of its proper divisors (3842603).

11527797 is an equidigital number, since it uses as much as digits as its factorization.

11527797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3842602.

The product of its digits is 30870, while the sum is 39.

The square root of 11527797 is about 3395.2609619880. The cubic root of 11527797 is about 225.8995886203.

The spelling of 11527797 in words is "eleven million, five hundred twenty-seven thousand, seven hundred ninety-seven".