11690729 has 4 divisors (see below), whose sum is σ = 11702484. Its totient is φ = 11678976.

The previous prime is 11690717. The next prime is 11690737. The reversal of 11690729 is 92709611.

11690729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 92709611 = 251 ⋅369361.

It can be written as a sum of positive squares in 2 ways, for example, as 1755625 + 9935104 = 1325^2 + 3152^2 .

It is a cyclic number.

It is not a de Polignac number, because 11690729 - 2¹⁶ = 11625193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11690759) 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, 4232 + ... + 6425.

It is an arithmetic number, because the mean of its divisors is an integer number (2925621).

Almost surely, 2^11690729 is an apocalyptic number.

It is an amenable number.

11690729 is a deficient number, since it is larger than the sum of its proper divisors (11755).

11690729 is a wasteful number, since it uses less digits than its factorization.

11690729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11754.

The product of its (nonzero) digits is 6804, while the sum is 35.

The square root of 11690729 is about 3419.1708059119. The cubic root of 11690729 is about 226.9588894870.

The spelling of 11690729 in words is "eleven million, six hundred ninety thousand, seven hundred twenty-nine".