12524621 has 2 divisors, whose sum is σ = 12524622. Its totient is φ = 12524620.

The previous prime is 12524593. The next prime is 12524641. The reversal of 12524621 is 12642521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12524521 + 100 = 3539^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 12524621 - 2¹⁸ = 12262477 is a prime.

It is a super-2 number, since 2×12524621² = 313732262387282, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12524641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6262310 + 6262311.

It is an arithmetic number, because the mean of its divisors is an integer number (6262311).

Almost surely, 2^12524621 is an apocalyptic number.

It is an amenable number.

12524621 is a deficient number, since it is larger than the sum of its proper divisors (1).

12524621 is an equidigital number, since it uses as much as digits as its factorization.

12524621 is an evil number, because the sum of its binary digits is even.

The product of its digits is 960, while the sum is 23.

The square root of 12524621 is about 3539.0141282566. The cubic root of 12524621 is about 232.2317158255.

The spelling of 12524621 in words is "twelve million, five hundred twenty-four thousand, six hundred twenty-one".