13148561 has 8 divisors (see below), whose sum is σ = 13464000. Its totient is φ = 12836880.

The previous prime is 13148543. The next prime is 13148581. The reversal of 13148561 is 16584131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13148561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13148581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6890 + ... + 8588.

It is an arithmetic number, because the mean of its divisors is an integer number (1683000).

Almost surely, 2^13148561 is an apocalyptic number.

It is an amenable number.

13148561 is a deficient number, since it is larger than the sum of its proper divisors (315439).

13148561 is a wasteful number, since it uses less digits than its factorization.

13148561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1879.

The product of its digits is 2880, while the sum is 29.

The square root of 13148561 is about 3626.0944554713. The cubic root of 13148561 is about 236.0257620541.

The spelling of 13148561 in words is "thirteen million, one hundred forty-eight thousand, five hundred sixty-one".