11996554 has 4 divisors (see below), whose sum is σ = 17994834. Its totient is φ = 5998276.

The previous prime is 11996539. The next prime is 11996557. The reversal of 11996554 is 45569911.

11996554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45569911 = 17 ⋅2680583.

It can be written as a sum of positive squares in only one way, i.e., 6125625 + 5870929 = 2475^2 + 2423^2 .

It is not an unprimeable number, because it can be changed into a prime (11996557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2999137 + ... + 2999140.

Almost surely, 2^11996554 is an apocalyptic number.

11996554 is a deficient number, since it is larger than the sum of its proper divisors (5998280).

11996554 is an equidigital number, since it uses as much as digits as its factorization.

11996554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5998279.

The product of its digits is 48600, while the sum is 40.

The square root of 11996554 is about 3463.6041921675. The cubic root of 11996554 is about 228.9209314944.

The spelling of 11996554 in words is "eleven million, nine hundred ninety-six thousand, five hundred fifty-four".