12562261 has 8 divisors (see below), whose sum is σ = 12787200. Its totient is φ = 12339360.

The previous prime is 12562237. The next prime is 12562283. The reversal of 12562261 is 16226521.

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 12562261 - 2¹⁷ = 12431189 is a prime.

It is a super-3 number, since 3×12562261³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12562061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16630 + ... + 17368.

It is an arithmetic number, because the mean of its divisors is an integer number (1598400).

Almost surely, 2^12562261 is an apocalyptic number.

It is an amenable number.

12562261 is a deficient number, since it is larger than the sum of its proper divisors (224939).

12562261 is an equidigital number, since it uses as much as digits as its factorization.

12562261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1019.

The product of its digits is 1440, while the sum is 25.

The square root of 12562261 is about 3544.3280040087. The cubic root of 12562261 is about 232.4641236507.

Adding to 12562261 its reverse (16226521), we get a palindrome (28788782).

The spelling of 12562261 in words is "twelve million, five hundred sixty-two thousand, two hundred sixty-one".