12988501 has 2 divisors, whose sum is σ = 12988502. Its totient is φ = 12988500.

The previous prime is 12988489. The next prime is 12988511. The reversal of 12988501 is 10588921.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9922500 + 3066001 = 3150^2 + 1751^2 .

It is a cyclic number.

It is not a de Polignac number, because 12988501 - 2¹³ = 12980309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12988511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6494250 + 6494251.

It is an arithmetic number, because the mean of its divisors is an integer number (6494251).

Almost surely, 2^12988501 is an apocalyptic number.

It is an amenable number.

12988501 is a deficient number, since it is larger than the sum of its proper divisors (1).

12988501 is an equidigital number, since it uses as much as digits as its factorization.

12988501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 12988501 is about 3603.9562982922. The cubic root of 12988501 is about 235.0641201220.

The spelling of 12988501 in words is "twelve million, nine hundred eighty-eight thousand, five hundred one".