12551504 has 20 divisors (see below), whose sum is σ = 27792864. Its totient is φ = 5379168.

The previous prime is 12551501. The next prime is 12551507. The reversal of 12551504 is 40515521.

It is a happy number.

12551504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12551501) and next prime (12551507).

It is a self number, because there is not a number n which added to its sum of digits gives 12551504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12551501) 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, 55922 + ... + 56145.

Almost surely, 2^12551504 is an apocalyptic number.

12551504 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12551504 is an abundant number, since it is smaller than the sum of its proper divisors (15241360).

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

12551504 is a wasteful number, since it uses less digits than its factorization.

12551504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112082 (or 112076 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 12551504 is about 3542.8101840206. The cubic root of 12551504 is about 232.3977520882.

The spelling of 12551504 in words is "twelve million, five hundred fifty-one thousand, five hundred four".