12522047 has 8 divisors (see below), whose sum is σ = 13686912. Its totient is φ = 11404800.

The previous prime is 12522043. The next prime is 12522067. The reversal of 12522047 is 74022521.

It is a happy number.

12522047 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12522047 - 2² = 12522043 is a prime.

It is a super-3 number, since 3×12522047³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12522043) 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, 11354 + ... + 12407.

It is an arithmetic number, because the mean of its divisors is an integer number (1710864).

Almost surely, 2^12522047 is an apocalyptic number.

12522047 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

12522047 is a deficient number, since it is larger than the sum of its proper divisors (1164865).

12522047 is a wasteful number, since it uses less digits than its factorization.

12522047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23809.

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 12522047 is about 3538.6504489706. The cubic root of 12522047 is about 232.2158056863.

Adding to 12522047 its reverse (74022521), we get a palindrome (86544568).

The spelling of 12522047 in words is "twelve million, five hundred twenty-two thousand, forty-seven".