11507345 has 16 divisors (see below), whose sum is σ = 14530320. Its totient is φ = 8736000.

The previous prime is 11507329. The next prime is 11507371. The reversal of 11507345 is 54370511.

It can be written as a sum of positive squares in 8 ways, for example, as 5161984 + 6345361 = 2272^2 + 2519^2 .

It is not a de Polignac number, because 11507345 - 2⁴ = 11507329 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8195 + ... + 9495.

It is an arithmetic number, because the mean of its divisors is an integer number (908145).

Almost surely, 2^11507345 is an apocalyptic number.

It is an amenable number.

11507345 is a deficient number, since it is larger than the sum of its proper divisors (3022975).

11507345 is a wasteful number, since it uses less digits than its factorization.

11507345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 11507345 is about 3392.2477798651. The cubic root of 11507345 is about 225.7659165543.

Adding to 11507345 its reverse (54370511), we get a palindrome (65877856).

The spelling of 11507345 in words is "eleven million, five hundred seven thousand, three hundred forty-five".