10991703 has 16 divisors (see below), whose sum is σ = 15128960. Its totient is φ = 7094304.

The previous prime is 10991699. The next prime is 10991713. The reversal of 10991703 is 30719901.

It is not a de Polignac number, because 10991703 - 2² = 10991699 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 (10991713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17625 + ... + 18237.

It is an arithmetic number, because the mean of its divisors is an integer number (945560).

Almost surely, 2^10991703 is an apocalyptic number.

10991703 is a deficient number, since it is larger than the sum of its proper divisors (4137257).

10991703 is a wasteful number, since it uses less digits than its factorization.

10991703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798.

The product of its (nonzero) digits is 1701, while the sum is 30.

The square root of 10991703 is about 3315.3737345886. The cubic root of 10991703 is about 222.3420787414.

The spelling of 10991703 in words is "ten million, nine hundred ninety-one thousand, seven hundred three".