12143952 has 40 divisors (see below), whose sum is σ = 34858880. Its totient is φ = 4047840.

The previous prime is 12143939. The next prime is 12143969. The reversal of 12143952 is 25934121.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13624 + ... + 14487.

It is an arithmetic number, because the mean of its divisors is an integer number (871472).

Almost surely, 2^12143952 is an apocalyptic number.

12143952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12143952 is an abundant number, since it is smaller than the sum of its proper divisors (22714928).

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

12143952 is a wasteful number, since it uses less digits than its factorization.

12143952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28128 (or 28116 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 12143952 is about 3484.8173553287. The cubic root of 12143952 is about 229.8546782064.

The spelling of 12143952 in words is "twelve million, one hundred forty-three thousand, nine hundred fifty-two".