12500166 has 16 divisors (see below), whose sum is σ = 28571904. Its totient is φ = 3571464.

The previous prime is 12500101. The next prime is 12500177. The reversal of 12500166 is 66100521.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148770 + ... + 148853.

It is an arithmetic number, because the mean of its divisors is an integer number (1785744).

Almost surely, 2^12500166 is an apocalyptic number.

12500166 is an abundant number, since it is smaller than the sum of its proper divisors (16071738).

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

12500166 is a wasteful number, since it uses less digits than its factorization.

12500166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 297635.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 12500166 is about 3535.5573817999. The cubic root of 12500166 is about 232.0804690144.

Adding to 12500166 its reverse (66100521), we get a palindrome (78600687).

The spelling of 12500166 in words is "twelve million, five hundred thousand, one hundred sixty-six".