11998954 has 16 divisors (see below), whose sum is σ = 19692000. Its totient is φ = 5438160.

The previous prime is 11998951. The next prime is 11998967. The reversal of 11998954 is 45989911.

It is not an unprimeable number, because it can be changed into a prime (11998951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10432 + ... + 11524.

It is an arithmetic number, because the mean of its divisors is an integer number (1230750).

Almost surely, 2^11998954 is an apocalyptic number.

11998954 is a deficient number, since it is larger than the sum of its proper divisors (7693046).

11998954 is a wasteful number, since it uses less digits than its factorization.

11998954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1605.

The product of its digits is 116640, while the sum is 46.

The square root of 11998954 is about 3463.9506347522. The cubic root of 11998954 is about 228.9361962557.

It can be divided in two parts, 1199 and 8954, that added together give a triangular number (10153 = T₁₄₂).

The spelling of 11998954 in words is "eleven million, nine hundred ninety-eight thousand, nine hundred fifty-four".