13490761 has 4 divisors (see below), whose sum is σ = 13571712. Its totient is φ = 13409812.

The previous prime is 13490759. The next prime is 13490767. The reversal of 13490761 is 16709431.

It is a happy number.

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: 16709431 = 23 ⋅726497.

It is a cyclic number.

It is not a de Polignac number, because 13490761 - 2¹ = 13490759 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13490767) 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, 40225 + ... + 40558.

It is an arithmetic number, because the mean of its divisors is an integer number (3392928).

Almost surely, 2^13490761 is an apocalyptic number.

It is an amenable number.

13490761 is a deficient number, since it is larger than the sum of its proper divisors (80951).

13490761 is an equidigital number, since it uses as much as digits as its factorization.

13490761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80950.

The product of its (nonzero) digits is 4536, while the sum is 31.

The square root of 13490761 is about 3672.9771303399. The cubic root of 13490761 is about 238.0558268869.

The spelling of 13490761 in words is "thirteen million, four hundred ninety thousand, seven hundred sixty-one".