12559261 has 16 divisors (see below), whose sum is σ = 14974848. Its totient is φ = 10382400.

The previous prime is 12559259. The next prime is 12559273. The reversal of 12559261 is 16295521.

It is a cyclic number.

It is not a de Polignac number, because 12559261 - 2¹ = 12559259 is a prime.

It is a super-2 number, since 2×12559261² = 315470073732242, which contains 22 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 (12559231) 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, 9535 + ... + 10771.

It is an arithmetic number, because the mean of its divisors is an integer number (935928).

Almost surely, 2^12559261 is an apocalyptic number.

12559261 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12559261 is a deficient number, since it is larger than the sum of its proper divisors (2415587).

12559261 is a wasteful number, since it uses less digits than its factorization.

12559261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332.

The product of its digits is 5400, while the sum is 31.

The square root of 12559261 is about 3543.9047673435. The cubic root of 12559261 is about 232.4456172186.

The spelling of 12559261 in words is "twelve million, five hundred fifty-nine thousand, two hundred sixty-one".