12280526 has 8 divisors (see below), whose sum is σ = 19015104. Its totient is φ = 5942160.

The previous prime is 12280523. The next prime is 12280529. The reversal of 12280526 is 62508221.

It is an interprime number because it is at equal distance from previous prime (12280523) and next prime (12280529).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×12280526² = 301622637673352, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12280495 and 12280504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12280523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98975 + ... + 99098.

It is an arithmetic number, because the mean of its divisors is an integer number (2376888).

Almost surely, 2^12280526 is an apocalyptic number.

12280526 is a deficient number, since it is larger than the sum of its proper divisors (6734578).

12280526 is a wasteful number, since it uses less digits than its factorization.

12280526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198106.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12280526 is about 3504.3581437975. The cubic root of 12280526 is about 230.7131362861.

Adding to 12280526 its reverse (62508221), we get a palindrome (74788747).

The spelling of 12280526 in words is "twelve million, two hundred eighty thousand, five hundred twenty-six".