12155076 has 48 divisors (see below), whose sum is σ = 31711680. Its totient is φ = 4026240.

The previous prime is 12155057. The next prime is 12155081. The reversal of 12155076 is 67055121.

12155076 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25795 + ... + 26261.

It is an arithmetic number, because the mean of its divisors is an integer number (660660).

Almost surely, 2^12155076 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12155076, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15855840).

12155076 is an abundant number, since it is smaller than the sum of its proper divisors (19556604).

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

12155076 is a wasteful number, since it uses less digits than its factorization.

12155076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721 (or 713 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 12155076 is about 3486.4130564235. The cubic root of 12155076 is about 229.9248399659.

The spelling of 12155076 in words is "twelve million, one hundred fifty-five thousand, seventy-six".