11940761 has 12 divisors (see below), whose sum is σ = 13972068. Its totient is φ = 10174752.

The previous prime is 11940757. The next prime is 11940763. The reversal of 11940761 is 16704911.

11940761 = T₂₄₅ + T₂₄₆ + ... + T₄₄₁.

It can be written as a sum of positive squares in 2 ways, for example, as 10686361 + 1254400 = 3269^2 + 1120^2 .

It is not a de Polignac number, because 11940761 - 2² = 11940757 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11940763) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 9035 + ... + 10271.

It is an arithmetic number, because the mean of its divisors is an integer number (1164339).

Almost surely, 2^11940761 is an apocalyptic number.

It is an amenable number.

11940761 is a deficient number, since it is larger than the sum of its proper divisors (2031307).

11940761 is a wasteful number, since it uses less digits than its factorization.

11940761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1441 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 11940761 is about 3455.5406234047. The cubic root of 11940761 is about 228.5654950655.

It can be divided in two parts, 119407 and 61, that multiplied together give a palindrome (7283827).

The spelling of 11940761 in words is "eleven million, nine hundred forty thousand, seven hundred sixty-one".