11601969 has 4 divisors (see below), whose sum is σ = 15469296. Its totient is φ = 7734644.

The previous prime is 11601949. The next prime is 11601977. The reversal of 11601969 is 96910611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11601969 - 2⁷ = 11601841 is a prime.

It is a super-2 number, since 2×11601969² = 269211369353922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11601949) 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, 1933659 + ... + 1933664.

It is an arithmetic number, because the mean of its divisors is an integer number (3867324).

Almost surely, 2^11601969 is an apocalyptic number.

It is an amenable number.

11601969 is a deficient number, since it is larger than the sum of its proper divisors (3867327).

11601969 is an equidigital number, since it uses as much as digits as its factorization.

11601969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3867326.

The product of its (nonzero) digits is 2916, while the sum is 33.

The square root of 11601969 is about 3406.1663200731. The cubic root of 11601969 is about 226.3830466002.

The spelling of 11601969 in words is "eleven million, six hundred one thousand, nine hundred sixty-nine".