11136397 has 4 divisors (see below), whose sum is σ = 11186560. Its totient is φ = 11086236.

The previous prime is 11136383. The next prime is 11136431. The reversal of 11136397 is 79363111.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11136397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11136497) 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, 24747 + ... + 25192.

It is an arithmetic number, because the mean of its divisors is an integer number (2796640).

Almost surely, 2^11136397 is an apocalyptic number.

It is an amenable number.

11136397 is a deficient number, since it is larger than the sum of its proper divisors (50163).

11136397 is an equidigital number, since it uses as much as digits as its factorization.

11136397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50162.

The product of its digits is 3402, while the sum is 31.

The square root of 11136397 is about 3337.1240612240. The cubic root of 11136397 is about 223.3134605223.

The spelling of 11136397 in words is "eleven million, one hundred thirty-six thousand, three hundred ninety-seven".