11520737 has 4 divisors (see below), whose sum is σ = 11603760. Its totient is φ = 11437716.

The previous prime is 11520709. The next prime is 11520739. The reversal of 11520737 is 73702511.

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.

It is a cyclic number.

It is not a de Polignac number, because 11520737 - 2¹⁶ = 11455201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11520739) 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, 41303 + ... + 41580.

It is an arithmetic number, because the mean of its divisors is an integer number (2900940).

Almost surely, 2^11520737 is an apocalyptic number.

It is an amenable number.

11520737 is a deficient number, since it is larger than the sum of its proper divisors (83023).

11520737 is an equidigital number, since it uses as much as digits as its factorization.

11520737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83022.

The product of its (nonzero) digits is 1470, while the sum is 26.

The square root of 11520737 is about 3394.2211183127. The cubic root of 11520737 is about 225.8534631034.

The spelling of 11520737 in words is "eleven million, five hundred twenty thousand, seven hundred thirty-seven".