12567620 has 24 divisors (see below), whose sum is σ = 28422744. Its totient is φ = 4640256.

The previous prime is 12567587. The next prime is 12567623. The reversal of 12567620 is 2676521.

12567620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1331716 + 11235904 = 1154^2 + 3352^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12567623) 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, 23909 + ... + 24428.

It is an arithmetic number, because the mean of its divisors is an integer number (1184281).

Almost surely, 2^12567620 is an apocalyptic number.

12567620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12567620 is an abundant number, since it is smaller than the sum of its proper divisors (15855124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12567620 is a wasteful number, since it uses less digits than its factorization.

12567620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48359 (or 48357 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 12567620 is about 3545.0839200222. The cubic root of 12567620 is about 232.4971749763.

Subtracting from 12567620 its sum of digits (29), we obtain a triangular number (12567591 = T₅₀₁₃).

The spelling of 12567620 in words is "twelve million, five hundred sixty-seven thousand, six hundred twenty".