13148461 has 2 divisors, whose sum is σ = 13148462. Its totient is φ = 13148460.

The previous prime is 13148459. The next prime is 13148491. The reversal of 13148461 is 16484131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12823561 + 324900 = 3581^2 + 570^2 .

It is a cyclic number.

It is not a de Polignac number, because 13148461 - 2¹ = 13148459 is a prime.

Together with 13148459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13148441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574230 + 6574231.

It is an arithmetic number, because the mean of its divisors is an integer number (6574231).

Almost surely, 2^13148461 is an apocalyptic number.

It is an amenable number.

13148461 is a deficient number, since it is larger than the sum of its proper divisors (1).

13148461 is an equidigital number, since it uses as much as digits as its factorization.

13148461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 28.

The square root of 13148461 is about 3626.0806665048. The cubic root of 13148461 is about 236.0251636962.

The spelling of 13148461 in words is "thirteen million, one hundred forty-eight thousand, four hundred sixty-one".