11401687 has 8 divisors (see below), whose sum is σ = 12516480. Its totient is φ = 10299960.

The previous prime is 11401667. The next prime is 11401697. The reversal of 11401687 is 78610411.

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

It is not a de Polignac number, because 11401687 - 2¹⁵ = 11368919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11401657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1387 + ... + 4972.

It is an arithmetic number, because the mean of its divisors is an integer number (1564560).

Almost surely, 2^11401687 is an apocalyptic number.

11401687 is a deficient number, since it is larger than the sum of its proper divisors (1114793).

11401687 is a wasteful number, since it uses less digits than its factorization.

11401687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6533.

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 11401687 is about 3376.6384171243. The cubic root of 11401687 is about 225.0728126484.

The spelling of 11401687 in words is "eleven million, four hundred one thousand, six hundred eighty-seven".