12952551 has 4 divisors (see below), whose sum is σ = 17270072. Its totient is φ = 8635032.

The previous prime is 12952549. The next prime is 12952561. The reversal of 12952551 is 15525921.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12952551 - 2¹ = 12952549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12952561) 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, 2158756 + ... + 2158761.

It is an arithmetic number, because the mean of its divisors is an integer number (4317518).

Almost surely, 2^12952551 is an apocalyptic number.

12952551 is a deficient number, since it is larger than the sum of its proper divisors (4317521).

12952551 is an equidigital number, since it uses as much as digits as its factorization.

12952551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4317520.

The product of its digits is 4500, while the sum is 30.

The square root of 12952551 is about 3598.9652679624. The cubic root of 12952551 is about 234.8470469918.

The spelling of 12952551 in words is "twelve million, nine hundred fifty-two thousand, five hundred fifty-one".