11977795 has 8 divisors (see below), whose sum is σ = 14392224. Its totient is φ = 9569664.

The previous prime is 11977793. The next prime is 11977799. The reversal of 11977795 is 59777911.

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 11977795 - 2¹ = 11977793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11977793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5562 + ... + 7408.

It is an arithmetic number, because the mean of its divisors is an integer number (1799028).

Almost surely, 2^11977795 is an apocalyptic number.

11977795 is a deficient number, since it is larger than the sum of its proper divisors (2414429).

11977795 is a wasteful number, since it uses less digits than its factorization.

11977795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149.

The product of its digits is 138915, while the sum is 46.

The square root of 11977795 is about 3460.8951154290. The cubic root of 11977795 is about 228.8015480990.

It can be divided in two parts, 1197779 and 5, that multiplied together give a palindrome (5988895).

The spelling of 11977795 in words is "eleven million, nine hundred seventy-seven thousand, seven hundred ninety-five".