12151860 has 48 divisors (see below), whose sum is σ = 38887296. Its totient is φ = 2777472.

The previous prime is 12151847. The next prime is 12151861. The reversal of 12151860 is 6815121.

12151860 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 self number, because there is not a number n which added to its sum of digits gives 12151860.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12151861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14047 + ... + 14886.

It is an arithmetic number, because the mean of its divisors is an integer number (810152).

Almost surely, 2^12151860 is an apocalyptic number.

12151860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12151860 is an abundant number, since it is smaller than the sum of its proper divisors (26735436).

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

12151860 is a wasteful number, since it uses less digits than its factorization.

12151860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28952 (or 28950 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 12151860 is about 3485.9518068958. The cubic root of 12151860 is about 229.9045602762.

Adding to 12151860 its reverse (6815121), we get a palindrome (18966981).

The spelling of 12151860 in words is "twelve million, one hundred fifty-one thousand, eight hundred sixty".