12513901 has 2 divisors, whose sum is σ = 12513902. Its totient is φ = 12513900.

The previous prime is 12513889. The next prime is 12513923. The reversal of 12513901 is 10931521.

It is an a-pointer prime, because the next prime (12513923) can be obtained adding 12513901 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12432676 + 81225 = 3526^2 + 285^2 .

It is a cyclic number.

It is not a de Polignac number, because 12513901 - 2⁵ = 12513869 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12513931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6256950 + 6256951.

It is an arithmetic number, because the mean of its divisors is an integer number (6256951).

Almost surely, 2^12513901 is an apocalyptic number.

It is an amenable number.

12513901 is a deficient number, since it is larger than the sum of its proper divisors (1).

12513901 is an equidigital number, since it uses as much as digits as its factorization.

12513901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 12513901 is about 3537.4992579505. The cubic root of 12513901 is about 232.1654401113.

The spelling of 12513901 in words is "twelve million, five hundred thirteen thousand, nine hundred one".