13148261 has 4 divisors (see below), whose sum is σ = 15026592. Its totient is φ = 11269932.

The previous prime is 13148257. The next prime is 13148263. The reversal of 13148261 is 16284131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13148261 - 2² = 13148257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13148261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13148263) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 939155 + ... + 939168.

It is an arithmetic number, because the mean of its divisors is an integer number (3756648).

Almost surely, 2^13148261 is an apocalyptic number.

It is an amenable number.

13148261 is a deficient number, since it is larger than the sum of its proper divisors (1878331).

13148261 is an equidigital number, since it uses as much as digits as its factorization.

13148261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878330.

The product of its digits is 1152, while the sum is 26.

The square root of 13148261 is about 3626.0530884145. The cubic root of 13148261 is about 236.0239669713.

The spelling of 13148261 in words is "thirteen million, one hundred forty-eight thousand, two hundred sixty-one".