11401686 has 12 divisors (see below), whose sum is σ = 24703692. Its totient is φ = 3800556.

The previous prime is 11401667. The next prime is 11401697. The reversal of 11401686 is 68610411.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316696 + ... + 316731.

It is an arithmetic number, because the mean of its divisors is an integer number (2058641).

Almost surely, 2^11401686 is an apocalyptic number.

11401686 is an abundant number, since it is smaller than the sum of its proper divisors (13302006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11401686 is a wasteful number, since it uses less digits than its factorization.

11401686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633435 (or 633432 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 11401686 is about 3376.6382690481. The cubic root of 11401686 is about 225.0728060683.

The spelling of 11401686 in words is "eleven million, four hundred one thousand, six hundred eighty-six".