11878616 has 8 divisors (see below), whose sum is σ = 22272420. Its totient is φ = 5939304.

The previous prime is 11878613. The next prime is 11878627. The reversal of 11878616 is 61687811.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11878616² = 282203036150912, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11878616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 742406 + ... + 742421.

Almost surely, 2^11878616 is an apocalyptic number.

It is an amenable number.

11878616 is a deficient number, since it is larger than the sum of its proper divisors (10393804).

11878616 is a wasteful number, since it uses less digits than its factorization.

11878616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484833 (or 1484829 counting only the distinct ones).

The product of its digits is 16128, while the sum is 38.

The square root of 11878616 is about 3446.5368125119. The cubic root of 11878616 is about 228.1682865504.

The spelling of 11878616 in words is "eleven million, eight hundred seventy-eight thousand, six hundred sixteen".