187412 has 6 divisors (see below), whose sum is σ = 327978. Its totient is φ = 93704.

The previous prime is 187409. The next prime is 187417. The reversal of 187412 is 214781.

It can be written as a sum of positive squares in only one way, i.e., 148996 + 38416 = 386^2 + 196^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (187417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23423 + ... + 23430.

It is an arithmetic number, because the mean of its divisors is an integer number (54663).

2¹⁸⁷⁴¹² is an apocalyptic number.

It is an amenable number.

187412 is a deficient number, since it is larger than the sum of its proper divisors (140566).

187412 is a wasteful number, since it uses less digits than its factorization.

187412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46857 (or 46855 counting only the distinct ones).

The product of its digits is 448, while the sum is 23.

The square root of 187412 is about 432.9110763194. The cubic root of 187412 is about 57.2267565173.

The spelling of 187412 in words is "one hundred eighty-seven thousand, four hundred twelve".