10691137 has 4 divisors (see below), whose sum is σ = 10918656. Its totient is φ = 10463620.

The previous prime is 10691117. The next prime is 10691143. The reversal of 10691137 is 73119601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10691137 - 2¹⁵ = 10658369 is a prime.

It is a super-2 number, since 2×10691137² = 228600820705538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10691117) 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, 113689 + ... + 113782.

It is an arithmetic number, because the mean of its divisors is an integer number (2729664).

Almost surely, 2^10691137 is an apocalyptic number.

It is an amenable number.

10691137 is a deficient number, since it is larger than the sum of its proper divisors (227519).

10691137 is an equidigital number, since it uses as much as digits as its factorization.

10691137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227518.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 10691137 is about 3269.7304170222. The cubic root of 10691137 is about 220.2966864930.

The spelling of 10691137 in words is "ten million, six hundred ninety-one thousand, one hundred thirty-seven".