12147850 has 48 divisors (see below), whose sum is σ = 26560800. Its totient is φ = 4075200.

The previous prime is 12147847. The next prime is 12147853. The reversal of 12147850 is 5874121.

12147850 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12147847) and next prime (12147853).

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (12147853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6301 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (553350).

Almost surely, 2^12147850 is an apocalyptic number.

12147850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12147850 is an abundant number, since it is smaller than the sum of its proper divisors (14412950).

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

12147850 is a wasteful number, since it uses less digits than its factorization.

12147850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735 (or 1730 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12147850 is about 3485.3765937127. The cubic root of 12147850 is about 229.8792687101.

The spelling of 12147850 in words is "twelve million, one hundred forty-seven thousand, eight hundred fifty".