13134657 has 4 divisors (see below), whose sum is σ = 17512880. Its totient is φ = 8756436.

The previous prime is 13134631. The next prime is 13134661. The reversal of 13134657 is 75643131.

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 not a de Polignac number, because 13134657 - 2¹² = 13130561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13134697) 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, 2189107 + ... + 2189112.

It is an arithmetic number, because the mean of its divisors is an integer number (4378220).

Almost surely, 2^13134657 is an apocalyptic number.

It is an amenable number.

13134657 is a deficient number, since it is larger than the sum of its proper divisors (4378223).

13134657 is an equidigital number, since it uses as much as digits as its factorization.

13134657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4378222.

The product of its digits is 7560, while the sum is 30.

The square root of 13134657 is about 3624.1767341011. The cubic root of 13134657 is about 235.9425372402.

Adding to 13134657 its reverse (75643131), we get a palindrome (88777788).

The spelling of 13134657 in words is "thirteen million, one hundred thirty-four thousand, six hundred fifty-seven".