13497767 has 4 divisors (see below), whose sum is σ = 13528680. Its totient is φ = 13466856.

The previous prime is 13497749. The next prime is 13497769. The reversal of 13497767 is 76779431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13497767 - 2¹⁴ = 13481383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13497769) 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, 14792 + ... + 15677.

It is an arithmetic number, because the mean of its divisors is an integer number (3382170).

Almost surely, 2^13497767 is an apocalyptic number.

13497767 is a deficient number, since it is larger than the sum of its proper divisors (30913).

13497767 is an equidigital number, since it uses as much as digits as its factorization.

13497767 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30912.

The product of its digits is 222264, while the sum is 44.

The square root of 13497767 is about 3673.9307287972. The cubic root of 13497767 is about 238.0970286767.

The spelling of 13497767 in words is "thirteen million, four hundred ninety-seven thousand, seven hundred sixty-seven".