11872706 has 4 divisors (see below), whose sum is σ = 17809062. Its totient is φ = 5936352.

The previous prime is 11872697. The next prime is 11872711. The reversal of 11872706 is 60727811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60727811 = 197 ⋅308263.

It can be written as a sum of positive squares in only one way, i.e., 10297681 + 1575025 = 3209^2 + 1255^2 .

It is a super-2 number, since 2×11872706² = 281922295524872, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2968175 + ... + 2968178.

Almost surely, 2^11872706 is an apocalyptic number.

11872706 is a deficient number, since it is larger than the sum of its proper divisors (5936356).

11872706 is an equidigital number, since it uses as much as digits as its factorization.

11872706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5936355.

The product of its (nonzero) digits is 4704, while the sum is 32.

The square root of 11872706 is about 3445.6793234426. The cubic root of 11872706 is about 228.1304398778.

The spelling of 11872706 in words is "eleven million, eight hundred seventy-two thousand, seven hundred six".