12550078 has 8 divisors (see below), whose sum is σ = 18867168. Its totient is φ = 6261024.

The previous prime is 12550073. The next prime is 12550093. The reversal of 12550078 is 87005521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12550073) 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, 5851 + ... + 7702.

It is an arithmetic number, because the mean of its divisors is an integer number (2358396).

Almost surely, 2^12550078 is an apocalyptic number.

12550078 is a deficient number, since it is larger than the sum of its proper divisors (6317090).

12550078 is a wasteful number, since it uses less digits than its factorization.

12550078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14018.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 12550078 is about 3542.6089256366. The cubic root of 12550078 is about 232.3889507062.

Adding to 12550078 its reverse (87005521), we get a palindrome (99555599).

The spelling of 12550078 in words is "twelve million, five hundred fifty thousand, seventy-eight".