12988572 has 12 divisors (see below), whose sum is σ = 30306696. Its totient is φ = 4329520.

The previous prime is 12988543. The next prime is 12988579. The reversal of 12988572 is 27588921.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988579) 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, 541179 + ... + 541202.

It is an arithmetic number, because the mean of its divisors is an integer number (2525558).

Almost surely, 2^12988572 is an apocalyptic number.

12988572 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12988572 is an abundant number, since it is smaller than the sum of its proper divisors (17318124).

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

12988572 is a wasteful number, since it uses less digits than its factorization.

12988572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082388 (or 1082386 counting only the distinct ones).

The product of its digits is 80640, while the sum is 42.

The square root of 12988572 is about 3603.9661485647. The cubic root of 12988572 is about 235.0645484373.

It can be divided in two parts, 1298 and 8572, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 12988572 in words is "twelve million, nine hundred eighty-eight thousand, five hundred seventy-two".