12161948 has 12 divisors (see below), whose sum is σ = 21778680. Its totient is φ = 5939472.

The previous prime is 12161927. The next prime is 12161977. The reversal of 12161948 is 84916121.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 35183 + ... + 35526.

It is an arithmetic number, because the mean of its divisors is an integer number (1814890).

Almost surely, 2^12161948 is an apocalyptic number.

It is an amenable number.

12161948 is a deficient number, since it is larger than the sum of its proper divisors (9616732).

12161948 is a wasteful number, since it uses less digits than its factorization.

12161948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70756 (or 70754 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 12161948 is about 3487.3984573031. The cubic root of 12161948 is about 229.9681619446.

The spelling of 12161948 in words is "twelve million, one hundred sixty-one thousand, nine hundred forty-eight".