11491654 has 4 divisors (see below), whose sum is σ = 17237484. Its totient is φ = 5745826.

The previous prime is 11491633. The next prime is 11491661. The reversal of 11491654 is 45619411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45619411 = 1747 ⋅26113.

It is a super-2 number, since 2×11491654² = 264116223311432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2872912 + ... + 2872915.

It is an arithmetic number, because the mean of its divisors is an integer number (4309371).

Almost surely, 2^11491654 is an apocalyptic number.

11491654 is a deficient number, since it is larger than the sum of its proper divisors (5745830).

11491654 is an equidigital number, since it uses as much as digits as its factorization.

11491654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745829.

The product of its digits is 4320, while the sum is 31.

The square root of 11491654 is about 3389.9342176508. The cubic root of 11491654 is about 225.6632544616.

The spelling of 11491654 in words is "eleven million, four hundred ninety-one thousand, six hundred fifty-four".