11504345 has 4 divisors (see below), whose sum is σ = 13805220. Its totient is φ = 9203472.

The previous prime is 11504341. The next prime is 11504357. The reversal of 11504345 is 54340511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54340511 = 173 ⋅314107.

It can be written as a sum of positive squares in 2 ways, for example, as 1819801 + 9684544 = 1349^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 11504345 - 2² = 11504341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11504345.

It is not an unprimeable number, because it can be changed into a prime (11504341) 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, 1150430 + ... + 1150439.

It is an arithmetic number, because the mean of its divisors is an integer number (3451305).

Almost surely, 2^11504345 is an apocalyptic number.

It is an amenable number.

11504345 is a deficient number, since it is larger than the sum of its proper divisors (2300875).

11504345 is an equidigital number, since it uses as much as digits as its factorization.

11504345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300874.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 11504345 is about 3391.8055663614. The cubic root of 11504345 is about 225.7462955610.

Adding to 11504345 its reverse (54340511), we get a palindrome (65844856).

The spelling of 11504345 in words is "eleven million, five hundred four thousand, three hundred forty-five".