13492657 has 4 divisors (see below), whose sum is σ = 13927936. Its totient is φ = 13057380.

The previous prime is 13492643. The next prime is 13492681. The reversal of 13492657 is 75629431.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75629431 = 113 ⋅669287.

It is a cyclic number.

It is not a de Polignac number, because 13492657 - 2¹⁵ = 13459889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13492637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217593 + ... + 217654.

It is an arithmetic number, because the mean of its divisors is an integer number (3481984).

Almost surely, 2^13492657 is an apocalyptic number.

It is an amenable number.

13492657 is a deficient number, since it is larger than the sum of its proper divisors (435279).

13492657 is an equidigital number, since it uses as much as digits as its factorization.

13492657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435278.

The product of its digits is 45360, while the sum is 37.

The square root of 13492657 is about 3673.2352225252. The cubic root of 13492657 is about 238.0669785362.

The spelling of 13492657 in words is "thirteen million, four hundred ninety-two thousand, six hundred fifty-seven".