11954938 has 4 divisors (see below), whose sum is σ = 17932410. Its totient is φ = 5977468.

The previous prime is 11954923. The next prime is 11954939. The reversal of 11954938 is 83945911.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9320809 + 2634129 = 3053^2 + 1623^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11954938.

It is not an unprimeable number, because it can be changed into a prime (11954939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2988733 + ... + 2988736.

Almost surely, 2^11954938 is an apocalyptic number.

11954938 is a deficient number, since it is larger than the sum of its proper divisors (5977472).

11954938 is an equidigital number, since it uses as much as digits as its factorization.

11954938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977471.

The product of its digits is 38880, while the sum is 40.

The square root of 11954938 is about 3457.5913581567. The cubic root of 11954938 is about 228.6559161997.

The spelling of 11954938 in words is "eleven million, nine hundred fifty-four thousand, nine hundred thirty-eight".