11977746 has 32 divisors (see below), whose sum is σ = 26258688. Its totient is φ = 3612240.

The previous prime is 11977739. The next prime is 11977747. The reversal of 11977746 is 64777911.

It is a junction number, because it is equal to n+sod(n) for n = 11977698 and 11977707.

It is not an unprimeable number, because it can be changed into a prime (11977747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22641 + ... + 23163.

It is an arithmetic number, because the mean of its divisors is an integer number (820584).

Almost surely, 2^11977746 is an apocalyptic number.

11977746 is an abundant number, since it is smaller than the sum of its proper divisors (14280942).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11977746 is a wasteful number, since it uses less digits than its factorization.

11977746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886.

The product of its digits is 74088, while the sum is 42.

The square root of 11977746 is about 3460.8880363282. Note that the first 3 decimals coincide. The cubic root of 11977746 is about 228.8012360970.

The spelling of 11977746 in words is "eleven million, nine hundred seventy-seven thousand, seven hundred forty-six".