11979275 has 48 divisors (see below), whose sum is σ = 19046400. Its totient is φ = 7408800.

The previous prime is 11979269. The next prime is 11979277. The reversal of 11979275 is 57297911.

It is a happy number.

11979275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-11979275 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11979277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 94262 + ... + 94388.

It is an arithmetic number, because the mean of its divisors is an integer number (396800).

Almost surely, 2^11979275 is an apocalyptic number.

11979275 is a deficient number, since it is larger than the sum of its proper divisors (7067125).

11979275 is a wasteful number, since it uses less digits than its factorization.

11979275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169 (or 150 counting only the distinct ones).

The product of its digits is 39690, while the sum is 41.

The square root of 11979275 is about 3461.1089263414. The cubic root of 11979275 is about 228.8109714346.

It can be divided in two parts, 11979 and 275, that multiplied together give a square (3294225 = 1815²).

The spelling of 11979275 in words is "eleven million, nine hundred seventy-nine thousand, two hundred seventy-five".