11641996 has 6 divisors (see below), whose sum is σ = 20373500. Its totient is φ = 5820996.

The previous prime is 11641961. The next prime is 11642009. The reversal of 11641996 is 69914611.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1455246 + ... + 1455253.

Almost surely, 2^11641996 is an apocalyptic number.

It is an amenable number.

11641996 is a deficient number, since it is larger than the sum of its proper divisors (8731504).

11641996 is a wasteful number, since it uses less digits than its factorization.

11641996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2910503 (or 2910501 counting only the distinct ones).

The product of its digits is 11664, while the sum is 37.

The square root of 11641996 is about 3412.0369282879. The cubic root of 11641996 is about 226.6430896277.

It can be divided in two parts, 1164 and 1996, that added together give a triangular number (3160 = T₇₉).

The spelling of 11641996 in words is "eleven million, six hundred forty-one thousand, nine hundred ninety-six".