11762261 has 4 divisors (see below), whose sum is σ = 13442592. Its totient is φ = 10081932.

The previous prime is 11762239. The next prime is 11762321. The reversal of 11762261 is 16226711.

11762261 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 de Polignac number, because none of the positive numbers 2^k-11762261 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11762261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11762221) 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, 840155 + ... + 840168.

It is an arithmetic number, because the mean of its divisors is an integer number (3360648).

Almost surely, 2^11762261 is an apocalyptic number.

It is an amenable number.

11762261 is a deficient number, since it is larger than the sum of its proper divisors (1680331).

11762261 is an equidigital number, since it uses as much as digits as its factorization.

11762261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1680330.

The product of its digits is 1008, while the sum is 26.

The square root of 11762261 is about 3429.6152845472. The cubic root of 11762261 is about 227.4208459486.

Adding to 11762261 its reverse (16226711), we get a palindrome (27988972).

The spelling of 11762261 in words is "eleven million, seven hundred sixty-two thousand, two hundred sixty-one".