12550057 has 8 divisors (see below), whose sum is σ = 13542984. Its totient is φ = 11561088.

The previous prime is 12550049. The next prime is 12550061. The reversal of 12550057 is 75005521.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 571536 + 11978521 = 756^2 + 3461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12550057 - 2³ = 12550049 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12550357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11883 + ... + 12895.

It is an arithmetic number, because the mean of its divisors is an integer number (1692873).

Almost surely, 2^12550057 is an apocalyptic number.

It is an amenable number.

12550057 is a deficient number, since it is larger than the sum of its proper divisors (992927).

12550057 is a wasteful number, since it uses less digits than its factorization.

12550057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1979.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 12550057 is about 3542.6059617180. The cubic root of 12550057 is about 232.3888210876.

Adding to 12550057 its reverse (75005521), we get a palindrome (87555578).

The spelling of 12550057 in words is "twelve million, five hundred fifty thousand, fifty-seven".