11632897 has 4 divisors (see below), whose sum is σ = 11653636. Its totient is φ = 11612160.

The previous prime is 11632861. The next prime is 11632909. The reversal of 11632897 is 79823611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79823611 = 7 ⋅11403373.

It can be written as a sum of positive squares in 2 ways, for example, as 10214416 + 1418481 = 3196^2 + 1191^2 .

It is a cyclic number.

It is not a de Polignac number, because 11632897 - 2¹¹ = 11630849 is a prime.

It is a super-2 number, since 2×11632897² = 270648585225218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11632297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9504 + ... + 10657.

It is an arithmetic number, because the mean of its divisors is an integer number (2913409).

Almost surely, 2^11632897 is an apocalyptic number.

It is an amenable number.

11632897 is a deficient number, since it is larger than the sum of its proper divisors (20739).

11632897 is an equidigital number, since it uses as much as digits as its factorization.

11632897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20738.

The product of its digits is 18144, while the sum is 37.

The square root of 11632897 is about 3410.7032999075. The cubic root of 11632897 is about 226.5840286510.

The spelling of 11632897 in words is "eleven million, six hundred thirty-two thousand, eight hundred ninety-seven".