12151850 has 24 divisors (see below), whose sum is σ = 23087808. Its totient is φ = 4756400.

The previous prime is 12151847. The next prime is 12151861. The reversal of 12151850 is 5815121.

12151850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236 + ... + 4935.

It is an arithmetic number, because the mean of its divisors is an integer number (961992).

Almost surely, 2^12151850 is an apocalyptic number.

12151850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12151850 is a deficient number, since it is larger than the sum of its proper divisors (10935958).

12151850 is a wasteful number, since it uses less digits than its factorization.

12151850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5230 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 23.

The square root of 12151850 is about 3485.9503725670. The cubic root of 12151850 is about 229.9044972119.

Adding to 12151850 its reverse (5815121), we get a palindrome (17966971).

The spelling of 12151850 in words is "twelve million, one hundred fifty-one thousand, eight hundred fifty".