12523077 has 36 divisors (see below), whose sum is σ = 21385260. Its totient is φ = 7039872.

The previous prime is 12523073. The next prime is 12523097. The reversal of 12523077 is 77032521.

It can be written as a sum of positive squares in 2 ways, for example, as 4955076 + 7568001 = 2226^2 + 2751^2 .

It is not a de Polignac number, because 12523077 - 2² = 12523073 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12523077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12523073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 31999 + ... + 32387.

It is an arithmetic number, because the mean of its divisors is an integer number (594035).

Almost surely, 2^12523077 is an apocalyptic number.

It is an amenable number.

12523077 is a deficient number, since it is larger than the sum of its proper divisors (8862183).

12523077 is a wasteful number, since it uses less digits than its factorization.

12523077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 12523077 is about 3538.7959816864. The cubic root of 12523077 is about 232.2221724760. Note that the first 3 decimals are identical.

Adding to 12523077 its reverse (77032521), we get a palindrome (89555598).

The spelling of 12523077 in words is "twelve million, five hundred twenty-three thousand, seventy-seven".