12547122 has 32 divisors (see below), whose sum is σ = 30367872. Its totient is φ = 3373824.

The previous prime is 12547109. The next prime is 12547133. The reversal of 12547122 is 22174521.

It is a super-3 number, since 3×12547122³ (a number of 22 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12547092 and 12547101.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8073 + ... + 9500.

It is an arithmetic number, because the mean of its divisors is an integer number (948996).

Almost surely, 2^12547122 is an apocalyptic number.

12547122 is an abundant number, since it is smaller than the sum of its proper divisors (17820750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12547122 is a wasteful number, since it uses less digits than its factorization.

12547122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17602.

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

The square root of 12547122 is about 3542.1916944175. The cubic root of 12547122 is about 232.3707039224.

The spelling of 12547122 in words is "twelve million, five hundred forty-seven thousand, one hundred twenty-two".