10991014 has 8 divisors (see below), whose sum is σ = 16501968. Its totient is φ = 5490360.

The previous prime is 10991011. The next prime is 10991021. The reversal of 10991014 is 41019901.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10991014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10991011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204 + ... + 4840.

It is an arithmetic number, because the mean of its divisors is an integer number (2062746).

Almost surely, 2^10991014 is an apocalyptic number.

10991014 is a deficient number, since it is larger than the sum of its proper divisors (5510954).

10991014 is a wasteful number, since it uses less digits than its factorization.

10991014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5150.

The product of its (nonzero) digits is 324, while the sum is 25.

The square root of 10991014 is about 3315.2698231064. The cubic root of 10991014 is about 222.3374329071.

The spelling of 10991014 in words is "ten million, nine hundred ninety-one thousand, fourteen".