13466457 has 6 divisors (see below), whose sum is σ = 19451562. Its totient is φ = 8977632.

The previous prime is 13466447. The next prime is 13466461. The reversal of 13466457 is 75466431.

It is a happy number.

13466457 is a `hidden beast` number, since 1 + 3 + 4 + 6 + 645 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8696601 + 4769856 = 2949^2 + 2184^2 .

It is not a de Polignac number, because 13466457 - 2⁴ = 13466441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13466417) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 748128 + ... + 748145.

It is an arithmetic number, because the mean of its divisors is an integer number (3241927).

Almost surely, 2^13466457 is an apocalyptic number.

It is an amenable number.

13466457 is a deficient number, since it is larger than the sum of its proper divisors (5985105).

13466457 is a wasteful number, since it uses less digits than its factorization.

13466457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496279 (or 1496276 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 13466457 is about 3669.6671511187. The cubic root of 13466457 is about 237.9127861132.

The spelling of 13466457 in words is "thirteen million, four hundred sixty-six thousand, four hundred fifty-seven".