10993957 has 6 divisors (see below), whose sum is σ = 11904882. Its totient is φ = 10148112.

The previous prime is 10993943. The next prime is 10993967. The reversal of 10993957 is 75939901.

It can be written as a sum of positive squares in 3 ways, for example, as 919681 + 10074276 = 959^2 + 3174^2 .

It is not a de Polignac number, because 10993957 - 2¹¹ = 10991909 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 (10993907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 32358 + ... + 32695.

It is an arithmetic number, because the mean of its divisors is an integer number (1984147).

Almost surely, 2^10993957 is an apocalyptic number.

It is an amenable number.

10993957 is a deficient number, since it is larger than the sum of its proper divisors (910925).

10993957 is an equidigital number, since it uses as much as digits as its factorization.

10993957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65079 (or 65066 counting only the distinct ones).

The product of its (nonzero) digits is 76545, while the sum is 43.

The square root of 10993957 is about 3315.7136486735. The cubic root of 10993957 is about 222.3572758039.

The spelling of 10993957 in words is "ten million, nine hundred ninety-three thousand, nine hundred fifty-seven".