12550051 has 4 divisors (see below), whose sum is σ = 13210600. Its totient is φ = 11889504.

The previous prime is 12550049. The next prime is 12550061. The reversal of 12550051 is 15005521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15005521 = 67 ⋅223963.

It is a cyclic number.

It is not a de Polignac number, because 12550051 - 2¹ = 12550049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 660529 = 12550051 / (1 + 2 + 5 + 5 + 0 + 0 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12550001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330246 + ... + 330283.

It is an arithmetic number, because the mean of its divisors is an integer number (3302650).

Almost surely, 2^12550051 is an apocalyptic number.

12550051 is a deficient number, since it is larger than the sum of its proper divisors (660549).

12550051 is an equidigital number, since it uses as much as digits as its factorization.

12550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660548.

The product of its (nonzero) digits is 250, while the sum is 19.

The square root of 12550051 is about 3542.6051148837. The cubic root of 12550051 is about 232.3887840537.

Adding to 12550051 its reverse (15005521), we get a palindrome (27555572).

It can be divided in two parts, 125 and 50051, that added together give a square (50176 = 224²).

The spelling of 12550051 in words is "twelve million, five hundred fifty thousand, fifty-one".