12560078 has 4 divisors (see below), whose sum is σ = 18840120. Its totient is φ = 6280038.

The previous prime is 12560071. The next prime is 12560081. The reversal of 12560078 is 87006521.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 87006521 = 7 ⋅12429503.

It is a self number, because there is not a number n which added to its sum of digits gives 12560078.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12560071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3140018 + ... + 3140021.

It is an arithmetic number, because the mean of its divisors is an integer number (4710030).

Almost surely, 2^12560078 is an apocalyptic number.

12560078 is a deficient number, since it is larger than the sum of its proper divisors (6280042).

12560078 is an equidigital number, since it uses as much as digits as its factorization.

12560078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6280041.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 12560078 is about 3544.0200338034. The cubic root of 12560078 is about 232.4506574289.

Adding to 12560078 its reverse (87006521), we get a palindrome (99566599).

It can be divided in two parts, 125 and 60078, that multiplied together give a triangular number (7509750 = T₃₈₇₅).

The spelling of 12560078 in words is "twelve million, five hundred sixty thousand, seventy-eight".