11162997 has 6 divisors (see below), whose sum is σ = 16124342. Its totient is φ = 7441992.

The previous prime is 11162993. The next prime is 11163001. The reversal of 11162997 is 79926111.

It is an interprime number because it is at equal distance from previous prime (11162993) and next prime (11163001).

It can be written as a sum of positive squares in only one way, i.e., 11029041 + 133956 = 3321^2 + 366^2 .

It is not a de Polignac number, because 11162997 - 2² = 11162993 is a prime.

It is a super-2 number, since 2×11162997² = 249225004044018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 620158 + ... + 620175.

Almost surely, 2^11162997 is an apocalyptic number.

It is an amenable number.

11162997 is a deficient number, since it is larger than the sum of its proper divisors (4961345).

11162997 is a wasteful number, since it uses less digits than its factorization.

11162997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240339 (or 1240336 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 11162997 is about 3341.1071518286. The cubic root of 11162997 is about 223.4911186657.

The spelling of 11162997 in words is "eleven million, one hundred sixty-two thousand, nine hundred ninety-seven".