11731265 has 64 divisors (see below), whose sum is σ = 19353600. Its totient is φ = 6614784.

The previous prime is 11731261. The next prime is 11731267. The reversal of 11731265 is 56213711.

It is a cyclic number.

It is not a de Polignac number, because 11731265 - 2² = 11731261 is a prime.

11731265 is a Rhonda number in base 10.

Its product of digits (1260) is a multiple of the sum of its prime divisors (126).

It is not an unprimeable number, because it can be changed into a prime (11731261) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 198806 + ... + 198864.

It is an arithmetic number, because the mean of its divisors is an integer number (302400).

Almost surely, 2^11731265 is an apocalyptic number.

It is an amenable number.

11731265 is a deficient number, since it is larger than the sum of its proper divisors (7622335).

11731265 is a wasteful number, since it uses less digits than its factorization.

11731265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126.

The product of its digits is 1260, while the sum is 26.

The square root of 11731265 is about 3425.0934293826. The cubic root of 11731265 is about 227.2209031655.

Adding to 11731265 its reverse (56213711), we get a palindrome (67944976).

The spelling of 11731265 in words is "eleven million, seven hundred thirty-one thousand, two hundred sixty-five".