13488997 has 2 divisors, whose sum is σ = 13488998. Its totient is φ = 13488996.

The previous prime is 13488961. The next prime is 13489037. The reversal of 13488997 is 79988431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12716356 + 772641 = 3566^2 + 879^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13488997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13488997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13480997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6744498 + 6744499.

It is an arithmetic number, because the mean of its divisors is an integer number (6744499).

Almost surely, 2^13488997 is an apocalyptic number.

It is an amenable number.

13488997 is a deficient number, since it is larger than the sum of its proper divisors (1).

13488997 is an equidigital number, since it uses as much as digits as its factorization.

13488997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 49.

The square root of 13488997 is about 3672.7369903112. The cubic root of 13488997 is about 238.0454506800.

The spelling of 13488997 in words is "thirteen million, four hundred eighty-eight thousand, nine hundred ninety-seven".