12653629 has 2 divisors, whose sum is σ = 12653630. Its totient is φ = 12653628.

The previous prime is 12653623. The next prime is 12653633. The reversal of 12653629 is 92635621.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 5631129 = 2650^2 + 2373^2 .

It is a cyclic number.

It is not a de Polignac number, because 12653629 - 2³ = 12653621 is a prime.

It is a super-2 number, since 2×12653629² = 320228653739282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12653594 and 12653603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12653621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326814 + 6326815.

It is an arithmetic number, because the mean of its divisors is an integer number (6326815).

Almost surely, 2^12653629 is an apocalyptic number.

It is an amenable number.

12653629 is a deficient number, since it is larger than the sum of its proper divisors (1).

12653629 is an equidigital number, since it uses as much as digits as its factorization.

12653629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19440, while the sum is 34.

The square root of 12653629 is about 3557.1939784049. The cubic root of 12653629 is about 233.0263498109.

The spelling of 12653629 in words is "twelve million, six hundred fifty-three thousand, six hundred twenty-nine".