11461691 has 4 divisors (see below), whose sum is σ = 11521272. Its totient is φ = 11402112.

The previous prime is 11461663. The next prime is 11461729. The reversal of 11461691 is 19616411.

11461691 is digitally balanced in base 3, 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: 19616411 = 79 ⋅248309.

It is a cyclic number.

It is not a de Polignac number, because 11461691 - 2¹⁸ = 11199547 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11461631) 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, 29501 + ... + 29886.

It is an arithmetic number, because the mean of its divisors is an integer number (2880318).

Almost surely, 2^11461691 is an apocalyptic number.

11461691 is a deficient number, since it is larger than the sum of its proper divisors (59581).

11461691 is an equidigital number, since it uses as much as digits as its factorization.

11461691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59580.

The product of its digits is 1296, while the sum is 29.

The square root of 11461691 is about 3385.5119258393. The cubic root of 11461691 is about 225.4669545138.

The spelling of 11461691 in words is "eleven million, four hundred sixty-one thousand, six hundred ninety-one".