12013526 has 24 divisors (see below), whose sum is σ = 22198536. Its totient is φ = 4845120.

The previous prime is 12013517. The next prime is 12013531. The reversal of 12013526 is 62531021.

It is a junction number, because it is equal to n+sod(n) for n = 12013498 and 12013507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1940 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (924939).

Almost surely, 2^12013526 is an apocalyptic number.

12013526 is a deficient number, since it is larger than the sum of its proper divisors (10185010).

12013526 is a wasteful number, since it uses less digits than its factorization.

12013526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7244 (or 7237 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 12013526 is about 3466.0533752382. The cubic root of 12013526 is about 229.0288351275.

Adding to 12013526 its reverse (62531021), we get a palindrome (74544547).

The spelling of 12013526 in words is "twelve million, thirteen thousand, five hundred twenty-six".