12532551 has 8 divisors (see below), whose sum is σ = 16959744. Its totient is φ = 8230200.

The previous prime is 12532543. The next prime is 12532561. The reversal of 12532551 is 15523521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12532551 - 2³ = 12532543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532561) 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, 30975 + ... + 31376.

It is an arithmetic number, because the mean of its divisors is an integer number (2119968).

Almost surely, 2^12532551 is an apocalyptic number.

12532551 is a deficient number, since it is larger than the sum of its proper divisors (4427193).

12532551 is an equidigital number, since it uses as much as digits as its factorization.

12532551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62421.

The product of its digits is 1500, while the sum is 24.

The square root of 12532551 is about 3540.1343194856. The cubic root of 12532551 is about 232.2807182124.

The spelling of 12532551 in words is "twelve million, five hundred thirty-two thousand, five hundred fifty-one".