11497005 has 32 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 5659200.

The previous prime is 11496997. The next prime is 11497019. The reversal of 11497005 is 50079411.

It is not a de Polignac number, because 11497005 - 2³ = 11496997 is a prime.

It is a super-2 number, since 2×11497005² = 264362247940050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11497005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1521 + ... + 5030.

It is an arithmetic number, because the mean of its divisors is an integer number (687960).

Almost surely, 2^11497005 is an apocalyptic number.

11497005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11497005 is a deficient number, since it is larger than the sum of its proper divisors (10517715).

11497005 is a wasteful number, since it uses less digits than its factorization.

11497005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6572 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 11497005 is about 3390.7233741489. The cubic root of 11497005 is about 225.6982751441.

The spelling of 11497005 in words is "eleven million, four hundred ninety-seven thousand, five".