11526397 has 4 divisors (see below), whose sum is σ = 11548960. Its totient is φ = 11503836.

The previous prime is 11526373. The next prime is 11526409. The reversal of 11526397 is 79362511.

11526397 is digitally balanced in base 3, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11526397 - 2⁷ = 11526269 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 (11526367) 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, 10497 + ... + 11542.

It is an arithmetic number, because the mean of its divisors is an integer number (2887240).

Almost surely, 2^11526397 is an apocalyptic number.

It is an amenable number.

11526397 is a deficient number, since it is larger than the sum of its proper divisors (22563).

11526397 is an equidigital number, since it uses as much as digits as its factorization.

11526397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22562.

The product of its digits is 11340, while the sum is 34.

The square root of 11526397 is about 3395.0547860086. The cubic root of 11526397 is about 225.8904434145.

The spelling of 11526397 in words is "eleven million, five hundred twenty-six thousand, three hundred ninety-seven".