11543497 has 16 divisors (see below), whose sum is σ = 13560832. Its totient is φ = 9622800.

The previous prime is 11543491. The next prime is 11543503. The reversal of 11543497 is 79434511.

11543497 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11543491) and next prime (11543503).

It is a cyclic number.

It is not a de Polignac number, because 11543497 - 2¹⁹ = 11019209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11543491) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70738 + ... + 70900.

It is an arithmetic number, because the mean of its divisors is an integer number (847552).

Almost surely, 2^11543497 is an apocalyptic number.

It is an amenable number.

11543497 is a deficient number, since it is larger than the sum of its proper divisors (2017335).

11543497 is a wasteful number, since it uses less digits than its factorization.

11543497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388.

The product of its digits is 15120, while the sum is 34.

The square root of 11543497 is about 3397.5722214546. The cubic root of 11543497 is about 226.0020948980.

The spelling of 11543497 in words is "eleven million, five hundred forty-three thousand, four hundred ninety-seven".