12563122 has 48 divisors (see below), whose sum is σ = 23189760. Its totient is φ = 5054400.

The previous prime is 12563113. The next prime is 12563137. The reversal of 12563122 is 22136521.

It is a hoax number, since the sum of its digits (22) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12563093 and 12563102.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115204 + ... + 115312.

It is an arithmetic number, because the mean of its divisors is an integer number (483120).

Almost surely, 2^12563122 is an apocalyptic number.

12563122 is a deficient number, since it is larger than the sum of its proper divisors (10626638).

12563122 is a wasteful number, since it uses less digits than its factorization.

12563122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179 (or 166 counting only the distinct ones).

The product of its digits is 720, while the sum is 22.

The square root of 12563122 is about 3544.4494635980. The cubic root of 12563122 is about 232.4694344526.

Adding to 12563122 its reverse (22136521), we get a palindrome (34699643).

The spelling of 12563122 in words is "twelve million, five hundred sixty-three thousand, one hundred twenty-two".