11539097 has 4 divisors (see below), whose sum is σ = 11558016. Its totient is φ = 11520180.

The previous prime is 11539069. The next prime is 11539127. The reversal of 11539097 is 79093511.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79093511 = 7 ⋅11299073.

It is a cyclic number.

It is not a de Polignac number, because 11539097 - 2¹² = 11535001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11539027) 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, 8513 + ... + 9774.

It is an arithmetic number, because the mean of its divisors is an integer number (2889504).

Almost surely, 2^11539097 is an apocalyptic number.

It is an amenable number.

11539097 is a deficient number, since it is larger than the sum of its proper divisors (18919).

11539097 is an equidigital number, since it uses as much as digits as its factorization.

11539097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18918.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 11539097 is about 3396.9246385518. The cubic root of 11539097 is about 225.9733764028.

The spelling of 11539097 in words is "eleven million, five hundred thirty-nine thousand, ninety-seven".