12522471 has 16 divisors (see below), whose sum is σ = 18044544. Its totient is φ = 7678944.

The previous prime is 12522457. The next prime is 12522479. The reversal of 12522471 is 17422521.

It is not a de Polignac number, because 12522471 - 2⁵ = 12522439 is a prime.

It is a super-3 number, since 3×12522471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21040 + ... + 21626.

It is an arithmetic number, because the mean of its divisors is an integer number (1127784).

Almost surely, 2^12522471 is an apocalyptic number.

12522471 is a deficient number, since it is larger than the sum of its proper divisors (5522073).

12522471 is a wasteful number, since it uses less digits than its factorization.

12522471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1150.

The product of its digits is 1120, while the sum is 24.

The square root of 12522471 is about 3538.7103583085. The cubic root of 12522471 is about 232.2184266206.

Adding to 12522471 its reverse (17422521), we get a palindrome (29944992).

The spelling of 12522471 in words is "twelve million, five hundred twenty-two thousand, four hundred seventy-one".