11977446 has 16 divisors (see below), whose sum is σ = 25797744. Its totient is φ = 3685344.

The previous prime is 11977423. The next prime is 11977447. The reversal of 11977446 is 64477911.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11977447) 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, 76701 + ... + 76856.

It is an arithmetic number, because the mean of its divisors is an integer number (1612359).

Almost surely, 2^11977446 is an apocalyptic number.

11977446 is an abundant number, since it is smaller than the sum of its proper divisors (13820298).

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

11977446 is a wasteful number, since it uses less digits than its factorization.

11977446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153575.

The product of its digits is 42336, while the sum is 39.

The square root of 11977446 is about 3460.8446945796. The cubic root of 11977446 is about 228.7993258615.

The spelling of 11977446 in words is "eleven million, nine hundred seventy-seven thousand, four hundred forty-six".