11972854 has 4 divisors (see below), whose sum is σ = 17959284. Its totient is φ = 5986426.

The previous prime is 11972837. The next prime is 11972899. The reversal of 11972854 is 45827911.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2993212 + ... + 2993215.

It is an arithmetic number, because the mean of its divisors is an integer number (4489821).

Almost surely, 2^11972854 is an apocalyptic number.

11972854 is a deficient number, since it is larger than the sum of its proper divisors (5986430).

11972854 is an equidigital number, since it uses as much as digits as its factorization.

11972854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5986429.

The product of its digits is 20160, while the sum is 37.

The square root of 11972854 is about 3460.1812091276. The cubic root of 11972854 is about 228.7700825431.

The spelling of 11972854 in words is "eleven million, nine hundred seventy-two thousand, eight hundred fifty-four".