10997187 has 8 divisors (see below), whose sum is σ = 14911680. Its totient is φ = 7207080.

The previous prime is 10997171. The next prime is 10997213. The reversal of 10997187 is 78179901.

It is a happy number.

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

It is not a de Polignac number, because 10997187 - 2⁴ = 10997171 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10997137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30889 + ... + 31242.

It is an arithmetic number, because the mean of its divisors is an integer number (1863960).

Almost surely, 2^10997187 is an apocalyptic number.

10997187 is a deficient number, since it is larger than the sum of its proper divisors (3914493).

10997187 is an equidigital number, since it uses as much as digits as its factorization.

10997187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62193.

The product of its (nonzero) digits is 31752, while the sum is 42.

The square root of 10997187 is about 3316.2006875339. The cubic root of 10997187 is about 222.3790496953.

The spelling of 10997187 in words is "ten million, nine hundred ninety-seven thousand, one hundred eighty-seven".