12521753 has 2 divisors, whose sum is σ = 12521754. Its totient is φ = 12521752.

The previous prime is 12521749. The next prime is 12521767. The reversal of 12521753 is 35712521.

12521753 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12411529 + 110224 = 3523^2 + 332^2 .

It is a cyclic number.

It is not a de Polignac number, because 12521753 - 2² = 12521749 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12521053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6260876 + 6260877.

It is an arithmetic number, because the mean of its divisors is an integer number (6260877).

Almost surely, 2^12521753 is an apocalyptic number.

It is an amenable number.

12521753 is a deficient number, since it is larger than the sum of its proper divisors (1).

12521753 is an equidigital number, since it uses as much as digits as its factorization.

12521753 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2100, while the sum is 26.

The square root of 12521753 is about 3538.6089074663. The cubic root of 12521753 is about 232.2139883055.

The spelling of 12521753 in words is "twelve million, five hundred twenty-one thousand, seven hundred fifty-three".