12553901 has 2 divisors, whose sum is σ = 12553902. Its totient is φ = 12553900.

The previous prime is 12553859. The next prime is 12553909. The reversal of 12553901 is 10935521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8940100 + 3613801 = 2990^2 + 1901^2 .

It is a cyclic number.

It is not a de Polignac number, because 12553901 - 2¹⁰ = 12552877 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12553909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6276950 + 6276951.

It is an arithmetic number, because the mean of its divisors is an integer number (6276951).

Almost surely, 2^12553901 is an apocalyptic number.

It is an amenable number.

12553901 is a deficient number, since it is larger than the sum of its proper divisors (1).

12553901 is an equidigital number, since it uses as much as digits as its factorization.

12553901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 12553901 is about 3543.1484586452. The cubic root of 12553901 is about 232.4125450553.

The spelling of 12553901 in words is "twelve million, five hundred fifty-three thousand, nine hundred one".