12522151 has 8 divisors (see below), whose sum is σ = 12835584. Its totient is φ = 12211680.

The previous prime is 12522137. The next prime is 12522157. The reversal of 12522151 is 15122521.

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

It is a cyclic number.

It is not a de Polignac number, because 12522151 - 2⁷ = 12522023 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 (12522157) 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, 9505 + ... + 10741.

It is an arithmetic number, because the mean of its divisors is an integer number (1604448).

Almost surely, 2^12522151 is an apocalyptic number.

12522151 is a deficient number, since it is larger than the sum of its proper divisors (313433).

12522151 is a wasteful number, since it uses less digits than its factorization.

12522151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481.

The product of its digits is 200, while the sum is 19.

The square root of 12522151 is about 3538.6651438078. The cubic root of 12522151 is about 232.2164485624.

Adding to 12522151 its reverse (15122521), we get a palindrome (27644672).

It can be divided in two parts, 1252 and 2151, that added together give a triangular number (3403 = T₈₂).

The spelling of 12522151 in words is "twelve million, five hundred twenty-two thousand, one hundred fifty-one".