11879647 has 8 divisors (see below), whose sum is σ = 13235040. Its totient is φ = 10587360.

The previous prime is 11879641. The next prime is 11879657. The reversal of 11879647 is 74697811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11879647 - 2¹⁹ = 11355359 is a prime.

It is a super-2 number, since 2×11879647² = 282252025689218, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11879641) 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, 15379 + ... + 16132.

It is an arithmetic number, because the mean of its divisors is an integer number (1654380).

Almost surely, 2^11879647 is an apocalyptic number.

11879647 is a deficient number, since it is larger than the sum of its proper divisors (1355393).

11879647 is a wasteful number, since it uses less digits than its factorization.

11879647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31553.

The product of its digits is 84672, while the sum is 43.

The square root of 11879647 is about 3446.6863796986. The cubic root of 11879647 is about 228.1748876196.

The spelling of 11879647 in words is "eleven million, eight hundred seventy-nine thousand, six hundred forty-seven".