12551392 has 48 divisors (see below), whose sum is σ = 28516320. Its totient is φ = 5326848.

The previous prime is 12551387. The next prime is 12551393. The reversal of 12551392 is 29315521.

12551392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12551392² = 315074882275328, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 12551392.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551393) 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, 30484 + ... + 30892.

It is an arithmetic number, because the mean of its divisors is an integer number (594090).

Almost surely, 2^12551392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12551392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14258160).

12551392 is an abundant number, since it is smaller than the sum of its proper divisors (15964928).

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

12551392 is a wasteful number, since it uses less digits than its factorization.

12551392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563 (or 555 counting only the distinct ones).

The product of its digits is 2700, while the sum is 28.

The square root of 12551392 is about 3542.7943773242. The cubic root of 12551392 is about 232.3970608397.

The spelling of 12551392 in words is "twelve million, five hundred fifty-one thousand, three hundred ninety-two".