12500147 has 6 divisors (see below), whose sum is σ = 13739964. Its totient is φ = 11363660.

The previous prime is 12500101. The next prime is 12500177. The reversal of 12500147 is 74100521.

It is not a de Polignac number, because 12500147 - 2¹² = 12496051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12500177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 51533 + ... + 51774.

It is an arithmetic number, because the mean of its divisors is an integer number (2289994).

Almost surely, 2^12500147 is an apocalyptic number.

12500147 is a deficient number, since it is larger than the sum of its proper divisors (1239817).

12500147 is a wasteful number, since it uses less digits than its factorization.

12500147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103329 (or 103318 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 12500147 is about 3535.5546948110. The cubic root of 12500147 is about 232.0803514285.

Adding to 12500147 its reverse (74100521), we get a palindrome (86600668).

The spelling of 12500147 in words is "twelve million, five hundred thousand, one hundred forty-seven".