11397019 has 4 divisors (see below), whose sum is σ = 11419920. Its totient is φ = 11374120.

The previous prime is 11397013. The next prime is 11397031. The reversal of 11397019 is 91079311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11397019 - 2³ = 11397011 is a prime.

It is a super-2 number, since 2×11397019² = 259784084172722, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11397011) 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, 10687 + ... + 11704.

It is an arithmetic number, because the mean of its divisors is an integer number (2854980).

Almost surely, 2^11397019 is an apocalyptic number.

11397019 is a deficient number, since it is larger than the sum of its proper divisors (22901).

11397019 is an equidigital number, since it uses as much as digits as its factorization.

11397019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22900.

The product of its (nonzero) digits is 1701, while the sum is 31.

The square root of 11397019 is about 3375.9471263632. The cubic root of 11397019 is about 225.0420925364.

The spelling of 11397019 in words is "eleven million, three hundred ninety-seven thousand, nineteen".