12261948 has 24 divisors (see below), whose sum is σ = 29385552. Its totient is φ = 3976704.

The previous prime is 12261943. The next prime is 12261961. The reversal of 12261948 is 84916221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12261941) 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, 13365 + ... + 14252.

It is an arithmetic number, because the mean of its divisors is an integer number (1224398).

Almost surely, 2^12261948 is an apocalyptic number.

It is an amenable number.

12261948 is an abundant number, since it is smaller than the sum of its proper divisors (17123604).

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

12261948 is a wasteful number, since it uses less digits than its factorization.

12261948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27661 (or 27659 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 12261948 is about 3501.7064411512. The cubic root of 12261948 is about 230.5967364987.

The spelling of 12261948 in words is "twelve million, two hundred sixty-one thousand, nine hundred forty-eight".