11524139 has 4 divisors (see below), whose sum is σ = 12571800. Its totient is φ = 10476480.

The previous prime is 11524111. The next prime is 11524141. The reversal of 11524139 is 93142511.

11524139 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11524139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11524439) 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, 523814 + ... + 523835.

It is an arithmetic number, because the mean of its divisors is an integer number (3142950).

Almost surely, 2^11524139 is an apocalyptic number.

11524139 is a deficient number, since it is larger than the sum of its proper divisors (1047661).

11524139 is a wasteful number, since it uses less digits than its factorization.

11524139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047660.

The product of its digits is 1080, while the sum is 26.

The square root of 11524139 is about 3394.7222272227. The cubic root of 11524139 is about 225.8756919436.

The spelling of 11524139 in words is "eleven million, five hundred twenty-four thousand, one hundred thirty-nine".