11623697 has 4 divisors (see below), whose sum is σ = 11691060. Its totient is φ = 11556336.

The previous prime is 11623691. The next prime is 11623721. The reversal of 11623697 is 79632611.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10916416 + 707281 = 3304^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 11623697 - 2⁴ = 11623681 is a prime.

It is a super-2 number, since 2×11623697² = 270220663895618, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11623691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33422 + ... + 33767.

It is an arithmetic number, because the mean of its divisors is an integer number (2922765).

Almost surely, 2^11623697 is an apocalyptic number.

It is an amenable number.

11623697 is a deficient number, since it is larger than the sum of its proper divisors (67363).

11623697 is an equidigital number, since it uses as much as digits as its factorization.

11623697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67362.

The product of its digits is 13608, while the sum is 35.

The square root of 11623697 is about 3409.3543377009. The cubic root of 11623697 is about 226.5242807699.

The spelling of 11623697 in words is "eleven million, six hundred twenty-three thousand, six hundred ninety-seven".