11197497 has 4 divisors (see below), whose sum is σ = 14930000. Its totient is φ = 7464996.

The previous prime is 11197493. The next prime is 11197519. The reversal of 11197497 is 79479111.

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 not a de Polignac number, because 11197497 - 2² = 11197493 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11197493) 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 3 ways as a sum of consecutive naturals, for example, 1866247 + ... + 1866252.

It is an arithmetic number, because the mean of its divisors is an integer number (3732500).

Almost surely, 2^11197497 is an apocalyptic number.

It is an amenable number.

11197497 is a deficient number, since it is larger than the sum of its proper divisors (3732503).

11197497 is an equidigital number, since it uses as much as digits as its factorization.

11197497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732502.

The product of its digits is 15876, while the sum is 39.

The square root of 11197497 is about 3346.2661280896. The cubic root of 11197497 is about 223.7211200411.

It can be divided in two parts, 1119749 and 7, that added together give a triangular number (1119756 = T₁₄₉₆).

The spelling of 11197497 in words is "eleven million, one hundred ninety-seven thousand, four hundred ninety-seven".