11770661 has 8 divisors (see below), whose sum is σ = 13534080. Its totient is φ = 10027728.

The previous prime is 11770657. The next prime is 11770663. The reversal of 11770661 is 16607711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11770661 - 2² = 11770657 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11770663) 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 7 ways as a sum of consecutive naturals, for example, 3866 + ... + 6203.

It is an arithmetic number, because the mean of its divisors is an integer number (1691760).

Almost surely, 2^11770661 is an apocalyptic number.

It is an amenable number.

11770661 is a deficient number, since it is larger than the sum of its proper divisors (1763419).

11770661 is a wasteful number, since it uses less digits than its factorization.

11770661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10243.

The product of its (nonzero) digits is 1764, while the sum is 29.

The square root of 11770661 is about 3430.8396931364. The cubic root of 11770661 is about 227.4749704783.

The spelling of 11770661 in words is "eleven million, seven hundred seventy thousand, six hundred sixty-one".