11148397 has 4 divisors (see below), whose sum is σ = 12005980. Its totient is φ = 10290816.

The previous prime is 11148377. The next prime is 11148443. The reversal of 11148397 is 79384111.

11148397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79384111 = 823 ⋅96457.

It can be written as a sum of positive squares in 2 ways, for example, as 741321 + 10407076 = 861^2 + 3226^2 .

It is a cyclic number.

It is not a de Polignac number, because 11148397 - 2¹⁹ = 10624109 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 (11148317) 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, 428772 + ... + 428797.

It is an arithmetic number, because the mean of its divisors is an integer number (3001495).

Almost surely, 2^11148397 is an apocalyptic number.

It is an amenable number.

11148397 is a deficient number, since it is larger than the sum of its proper divisors (857583).

11148397 is an equidigital number, since it uses as much as digits as its factorization.

11148397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 857582.

The product of its digits is 6048, while the sum is 34.

The square root of 11148397 is about 3338.9215324712. The cubic root of 11148397 is about 223.3936420381.

The spelling of 11148397 in words is "eleven million, one hundred forty-eight thousand, three hundred ninety-seven".