13146261 has 16 divisors (see below), whose sum is σ = 18131520. Its totient is φ = 8467200.

The previous prime is 13146257. The next prime is 13146277. The reversal of 13146261 is 16264131.

It is not a de Polignac number, because 13146261 - 2² = 13146257 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13146241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12525 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (1133220).

Almost surely, 2^13146261 is an apocalyptic number.

It is an amenable number.

13146261 is a deficient number, since it is larger than the sum of its proper divisors (4985259).

13146261 is a wasteful number, since it uses less digits than its factorization.

13146261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1156.

The product of its digits is 864, while the sum is 24.

The square root of 13146261 is about 3625.7772959739. Note that the first 3 decimals coincide. The cubic root of 13146261 is about 236.0119990548.

The spelling of 13146261 in words is "thirteen million, one hundred forty-six thousand, two hundred sixty-one".